The remote CentOS Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the freerdp-2.4.1-5.el9 build changelog.

  - Fix length checks in parallel driver (#2136152) (CVE-2022-39282)

  - Add missing length check in video channel (#2136154) (CVE-2022-39283)

  - FreeRDP is a free remote desktop protocol library and clients. In affected versions there is an out of     bound read in ZGFX decoder component of FreeRDP. A malicious server can trick a FreeRDP based client to     read out of bound data and try to decode it likely resulting in a crash. This issue has been addressed in     the 2.9.0 release. Users are advised to upgrade. (CVE-2022-39316)

  - Add missing length checks in zgfx (#2145140) (CVE-2022-39317)

  - Fix division by zero in urbdrc channel (#2145140) (CVE-2022-39318)

  - Add missing length checks in urbdrc channel (#2145140) (CVE-2022-39319)

  - Ensure urb_create_iocompletion uses size_t (#2145140) (CVE-2022-39320)

  - Fix path validation in drive channel (#2145140) (CVE-2022-39347)

  - Add missing length check in drive channel (#2145140) (CVE-2022-41877)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of freerdp installed on the remote host is prior to 2.9.0. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2022-321-01 advisory.

  - FreeRDP is a free remote desktop protocol library and clients. In affected versions there is an out of     bound read in ZGFX decoder component of FreeRDP. A malicious server can trick a FreeRDP based client to     read out of bound data and try to decode it likely resulting in a crash. This issue has been addressed in     the 2.9.0 release. Users are advised to upgrade. (CVE-2022-39316)

  - FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing a     range check for input offset index in ZGFX decoder. A malicious server can trick a FreeRDP based client to     read out of bound data and try to decode it. This issue has been addressed in version 2.9.0. There are no     known workarounds for this issue. (CVE-2022-39317)

  - FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing     input validation in `urbdrc` channel. A malicious server can trick a FreeRDP based client to crash with     division by zero. This issue has been addressed in version 2.9.0. All users are advised to upgrade. Users     unable to upgrade should not use the `/usb` redirection switch. (CVE-2022-39318)

  - FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing     input length validation in the `urbdrc` channel. A malicious server can trick a FreeRDP based client to     read out of bound data and send it back to the server. This issue has been addressed in version 2.9.0 and     all users are advised to upgrade. Users unable to upgrade should not use the `/usb` redirection switch.
    (CVE-2022-39319)

  - FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP may attempt     integer addition on too narrow types leads to allocation of a buffer too small holding the data written. A     malicious server can trick a FreeRDP based client to read out of bound data and send it back to the     server. This issue has been addressed in version 2.9.0 and all users are advised to upgrade. Users unable     to upgrade should not use the `/usb` redirection switch. (CVE-2022-39320)

  - FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing     path canonicalization and base path check for `drive` channel. A malicious server can trick a FreeRDP     based client to read files outside the shared directory. This issue has been addressed in version 2.9.0     and all users are advised to upgrade. Users unable to upgrade should not use the `/drive`, `/drives` or     `+home-drive` redirection switch. (CVE-2022-39347)

  - FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing     input length validation in `drive` channel. A malicious server can trick a FreeRDP based client to read     out of bound data and send it back to the server. This issue has been addressed in version 2.9.0 and all     users are advised to upgrade. Users unable to upgrade should not use the drive redirection channel -     command line options `/drive`, `+drives` or `+home-drive`. (CVE-2022-41877)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:0399-1 advisory.

  - FreeRDP is a free remote desktop protocol library and clients. In affected versions there is an out of     bound read in ZGFX decoder component of FreeRDP. A malicious server can trick a FreeRDP based client to     read out of bound data and try to decode it likely resulting in a crash. This issue has been addressed in     the 2.9.0 release. Users are advised to upgrade. (CVE-2022-39316)

  - FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing a     range check for input offset index in ZGFX decoder. A malicious server can trick a FreeRDP based client to     read out of bound data and try to decode it. This issue has been addressed in version 2.9.0. There are no     known workarounds for this issue. (CVE-2022-39317)

  - FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP may attempt     integer addition on too narrow types leads to allocation of a buffer too small holding the data written. A     malicious server can trick a FreeRDP based client to read out of bound data and send it back to the     server. This issue has been addressed in version 2.9.0 and all users are advised to upgrade. Users unable     to upgrade should not use the `/usb` redirection switch. (CVE-2022-39320)

  - FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing     path canonicalization and base path check for `drive` channel. A malicious server can trick a FreeRDP     based client to read files outside the shared directory. This issue has been addressed in version 2.9.0     and all users are advised to upgrade. Users unable to upgrade should not use the `/drive`, `/drives` or     `+home-drive` redirection switch. (CVE-2022-39347)

  - FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing     input length validation in `drive` channel. A malicious server can trick a FreeRDP based client to read     out of bound data and send it back to the server. This issue has been addressed in version 2.9.0 and all     users are advised to upgrade. Users unable to upgrade should not use the drive redirection channel -     command line options `/drive`, `+drives` or `+home-drive`. (CVE-2022-41877)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:2851 advisory.

    FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license.
    The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox.

    Security Fix(es):

    * freerdp: clients using `/parallel` command line switch might read uninitialized data (CVE-2022-39282)

    * freerdp: clients using the `/video` command line switch might read uninitialized data (CVE-2022-39283)

    * freerdp: out of bounds read in zgfx decoder (CVE-2022-39316)

    * freerdp: undefined behaviour in zgfx decoder (CVE-2022-39317)

    * freerdp: division by zero in urbdrc channel (CVE-2022-39318)

    * freerdp: missing length validation in urbdrc channel (CVE-2022-39319)

    * freerdp: heap buffer overflow in urbdrc channel (CVE-2022-39320)

    * freerdp: missing path sanitation with `drive` channel (CVE-2022-39347)

    * freerdp: missing input length validation in `drive` channel (CVE-2022-41877)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.8 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2023:2851 advisory.

  - FreeRDP is a free remote desktop protocol library and clients. FreeRDP based clients on unix systems using     `/parallel` command line switch might read uninitialized data and send it to the server the client is     currently connected to. FreeRDP based server implementations are not affected. Please upgrade to 2.8.1     where this issue is patched. If unable to upgrade, do not use parallel port redirection (`/parallel`     command line switch) as a workaround. (CVE-2022-39282)

  - FreeRDP is a free remote desktop protocol library and clients. All FreeRDP based clients when using the     `/video` command line switch might read uninitialized data, decode it as audio/video and display the     result. FreeRDP based server implementations are not affected. This issue has been patched in version     2.8.1. If you cannot upgrade do not use the `/video` switch. (CVE-2022-39283)

  - FreeRDP is a free remote desktop protocol library and clients. In affected versions there is an out of     bound read in ZGFX decoder component of FreeRDP. A malicious server can trick a FreeRDP based client to     read out of bound data and try to decode it likely resulting in a crash. This issue has been addressed in     the 2.9.0 release. Users are advised to upgrade. (CVE-2022-39316)

  - FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing a     range check for input offset index in ZGFX decoder. A malicious server can trick a FreeRDP based client to     read out of bound data and try to decode it. This issue has been addressed in version 2.9.0. There are no     known workarounds for this issue. (CVE-2022-39317)

  - FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing     input validation in `urbdrc` channel. A malicious server can trick a FreeRDP based client to crash with     division by zero. This issue has been addressed in version 2.9.0. All users are advised to upgrade. Users     unable to upgrade should not use the `/usb` redirection switch. (CVE-2022-39318)

  - FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing     input length validation in the `urbdrc` channel. A malicious server can trick a FreeRDP based client to     read out of bound data and send it back to the server. This issue has been addressed in version 2.9.0 and     all users are advised to upgrade. Users unable to upgrade should not use the `/usb` redirection switch.
    (CVE-2022-39319)

  - FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP may attempt     integer addition on too narrow types leads to allocation of a buffer too small holding the data written. A     malicious server can trick a FreeRDP based client to read out of bound data and send it back to the     server. This issue has been addressed in version 2.9.0 and all users are advised to upgrade. Users unable     to upgrade should not use the `/usb` redirection switch. (CVE-2022-39320)

  - FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing     path canonicalization and base path check for `drive` channel. A malicious server can trick a FreeRDP     based client to read files outside the shared directory. This issue has been addressed in version 2.9.0     and all users are advised to upgrade. Users unable to upgrade should not use the `/drive`, `/drives` or     `+home-drive` redirection switch. (CVE-2022-39347)

  - FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing     input length validation in `drive` channel. A malicious server can trick a FreeRDP based client to read     out of bound data and send it back to the server. This issue has been addressed in version 2.9.0 and all     users are advised to upgrade. Users unable to upgrade should not use the drive redirection channel -     command line options `/drive`, `+drives` or `+home-drive`. (CVE-2022-41877)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Fedora 37 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2022-076b1c9978 advisory.

    Update to 2.9.0 (CVE-2022-39316, CVE-2022-39317, CVE-2022-39318, CVE-2022-39319, CVE-2022-39320,     CVE-2022-41877 and CVE-2022-39347).

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

远程 CentOS Linux 9 主机上安装的多个程序包受到 freerdp-2.4.1-5.el9 版本变更日志中提及的多个漏洞影响。

  - 修复并行驱动程序中的长度检查 (#2136152) (CVE-2022-39282)

  - 在视频通道中添加缺少的长度检查 (#2136154) (CVE-2022-39283)

  - FreeRDP 是免费的远程桌面协议库和客户端。在受影响的版本中，FreeRDP 的 ZGFX 解码器组件中存在越界读取漏洞。恶意服务器可诱骗基于 FreeRDP 的客户端读取越界数据并尝试对其进行解码，从而可能导致崩溃。此问题已在 2.9.0 版中解决。建议用户进行升级。(CVE-2022-39316)

  - 在 zgfx 中添加缺少的长度检查 (#2145140) (CVE-2022-39317)

  - 修复 urbdrc 通道中的除以零 (#2145140) (CVE-2022-39318)

  - 在 urbdrc 通道中添加缺少的长度检查 (#2145140) (CVE-2022-39319)

  - 确保 urb_create_iocompletion 使用 size_t (#2145140) (CVE-2022-39320)

  - 修复驱动通道中的路径验证 (#2145140) (CVE-2022-39347)

  - 在驱动通道中添加缺少的长度检查 (#2145140) (CVE-2022-41877)

请注意，Nessus 尚未测试这些问题，而是只依据应用程序自我报告的版本号进行判断。

远程 Redhat Enterprise Linux 9 主机上安装的程序包受到 RHSA-2023: 2326 公告中提及的多个漏洞的影响。

  - FreeRDP 是免费的远程桌面协议库和客户端。使用 `/parallel` 命令行开关的 unix 系统上的基于 FreeRDP 的客户端可能会读取未初始化的数据并将其发送到客户端当前连接的服务器。基于 FreeRDP 的服务器实现不受影响。请升级到 2.8.1 ，该版本已修补此问题。如果无法升级，请勿使用并行端口重定向（`/parallel` 命令行开关）作为变通方案。(CVE-2022-39282)

  - FreeRDP 是免费的远程桌面协议库和客户端。使用 `/video` 命令行开关时，所有基于 FreeRDP 的客户端都可能读取未初始化的数据，将其解码为音频/视频并显示结果。基于 FreeRDP 的服务器实现不受影响。已在版本 2.8.1 中修补此问题。如果无法升级，请勿使用 `/video` 开关。(CVE-2022-39283)

  - FreeRDP 是免费的远程桌面协议库和客户端。在受影响的版本中，FreeRDP 的 ZGFX 解码器组件中存在越界读取漏洞。恶意服务器可诱骗基于 FreeRDP 的客户端读取越界数据并尝试对其进行解码，从而可能导致崩溃。此问题已在 2.9.0 版中解决。建议用户进行升级。(CVE-2022-39316)

  - FreeRDP 是免费的远程桌面协议库和客户端。在受影响的 FreeRDP 版本中， ZGFX 解码器中缺少对输入偏移索引的范围检查。恶意服务器可诱骗基于 FreeRDP 的客户端读取越界数据并尝试对其进行解码。此问题已在 2.9.0 版中解决。目前尚无针对此问题的解决方案。(CVE-2022-39317)

  - FreeRDP 是免费的远程桌面协议库和客户端。在受影响的 FreeRDP 版本中，“urbdrc”通道中缺少输入验证。恶意服务器可诱骗基于 FreeRDP 的客户端因除以零错误而发生崩溃。此问题已在 2.9.0 版中解决。建议所有用户升级。无法升级的用户不应使用“/usb”重定向开关。(CVE-2022-39318)

  - FreeRDP 是免费的远程桌面协议库和客户端。在受影响的 FreeRDP 版本中，“urbdrc”通道中缺少输入长度验证。恶意服务器可诱骗基于 FreeRDP 的客户端读取越界数据并将其发送回服务器。此问题已在 2.9.0 版本中解决，建议所有用户升级。无法升级的用户不应使用“/usb”重定向开关。
    (CVE-2022-39319)

  - FreeRDP 是免费的远程桌面协议库和客户端。受影响的 FreeRDP 版本可能尝试对太窄的类型进行整数加法，从而导致分配的缓冲区过小，无法容纳写入的数据。恶意服务器可诱骗基于 FreeRDP 的客户端读取越界数据并将其发送回服务器。此问题已在 2.9.0 版本中解决，建议所有用户升级。无法升级的用户不应使用“/usb”重定向开关。(CVE-2022-39320)

  - FreeRDP 是免费的远程桌面协议库和客户端。受影响的 FreeRDP 版本缺少对“drive”通道的路径规范化和基本路径检查。恶意服务器可诱骗基于 FreeRDP 的客户端读取共享目录之外的文件。此问题已在 2.9.0 版本中解决，建议所有用户升级。无法升级的用户不应使用“/drive”、“/drives”或“+home-drive”重定向开关。(CVE-2022-39347)

  - FreeRDP 是免费的远程桌面协议库和客户端。在受影响的 FreeRDP 版本中，“drive”通道中缺少输入长度验证。恶意服务器可诱骗基于 FreeRDP 的客户端读取越界数据并将其发送回服务器。此问题已在 2.9.0 版本中解决，建议所有用户升级。无法升级的用户不应使用 drive 重定向开通道-命令行选项“/drive”、“+drives”或“+home-drive”。(CVE-2022-41877)

请注意，Nessus 尚未测试这些问题，而是只依据应用程序自我报告的版本号进行判断。

远程 AlmaLinux 9 主机上存在安装的程序包该程序包受到 ALSA-2023:2326 公告中提及的多个漏洞的影响。

  - FreeRDP 是免费的远程桌面协议库和客户端。使用 `/parallel` 命令行开关的 unix 系统上的基于 FreeRDP 的客户端可能会读取未初始化的数据并将其发送到客户端当前连接的服务器。基于 FreeRDP 的服务器实现不受影响。请升级到 2.8.1 ，该版本已修补此问题。如果无法升级，请勿使用并行端口重定向（`/parallel` 命令行开关）作为变通方案。(CVE-2022-39282)

  - FreeRDP 是免费的远程桌面协议库和客户端。使用 `/video` 命令行开关时，所有基于 FreeRDP 的客户端都可能读取未初始化的数据，将其解码为音频/视频并显示结果。基于 FreeRDP 的服务器实现不受影响。已在版本 2.8.1 中修补此问题。如果无法升级，请勿使用 `/video` 开关。(CVE-2022-39283)

  - FreeRDP 是免费的远程桌面协议库和客户端。在受影响的版本中，FreeRDP 的 ZGFX 解码器组件中存在越界读取漏洞。恶意服务器可诱骗基于 FreeRDP 的客户端读取越界数据并尝试对其进行解码，从而可能导致崩溃。此问题已在 2.9.0 版中解决。建议用户进行升级。(CVE-2022-39316)

  - FreeRDP 是免费的远程桌面协议库和客户端。在受影响的 FreeRDP 版本中， ZGFX 解码器中缺少对输入偏移索引的范围检查。恶意服务器可诱骗基于 FreeRDP 的客户端读取越界数据并尝试对其进行解码。此问题已在 2.9.0 版中解决。目前尚无针对此问题的解决方案。(CVE-2022-39317)

  - FreeRDP 是免费的远程桌面协议库和客户端。在受影响的 FreeRDP 版本中，“urbdrc”通道中缺少输入验证。恶意服务器可诱骗基于 FreeRDP 的客户端因除以零错误而发生崩溃。此问题已在 2.9.0 版中解决。建议所有用户升级。无法升级的用户不应使用“/usb”重定向开关。(CVE-2022-39318)

  - FreeRDP 是免费的远程桌面协议库和客户端。在受影响的 FreeRDP 版本中，“urbdrc”通道中缺少输入长度验证。恶意服务器可诱骗基于 FreeRDP 的客户端读取越界数据并将其发送回服务器。此问题已在 2.9.0 版本中解决，建议所有用户升级。无法升级的用户不应使用“/usb”重定向开关。
    (CVE-2022-39319)

  - FreeRDP 是免费的远程桌面协议库和客户端。受影响的 FreeRDP 版本可能尝试对太窄的类型进行整数加法，从而导致分配的缓冲区过小，无法容纳写入的数据。恶意服务器可诱骗基于 FreeRDP 的客户端读取越界数据并将其发送回服务器。此问题已在 2.9.0 版本中解决，建议所有用户升级。无法升级的用户不应使用“/usb”重定向开关。(CVE-2022-39320)

  - FreeRDP 是免费的远程桌面协议库和客户端。受影响的 FreeRDP 版本缺少对“drive”通道的路径规范化和基本路径检查。恶意服务器可诱骗基于 FreeRDP 的客户端读取共享目录之外的文件。此问题已在 2.9.0 版本中解决，建议所有用户升级。无法升级的用户不应使用“/drive”、“/drives”或“+home-drive”重定向开关。(CVE-2022-39347)

  - FreeRDP 是免费的远程桌面协议库和客户端。在受影响的 FreeRDP 版本中，“drive”通道中缺少输入长度验证。恶意服务器可诱骗基于 FreeRDP 的客户端读取越界数据并将其发送回服务器。此问题已在 2.9.0 版本中解决，建议所有用户升级。无法升级的用户不应使用 drive 重定向开通道-命令行选项“/drive”、“+drives”或“+home-drive”。(CVE-2022-41877)

请注意，Nessus 尚未测试这些问题，而是只依据应用程序自我报告的版本号进行判断。

遠端 Redhat Enterprise Linux 9 主機上安裝的套件受到 RHSA-2023: 2326 公告中提及的多個弱點影響。

  - FreeRDP 是免費的遠端桌面通訊協定庫和用戶端。Unix 系統中使用「/parallel」命令行開關的基於 FreeRDP 的用戶端可能會讀取未初始化的資料，並將其傳送至用戶端目前連線的伺服器。基於 FreeRDP 的伺服器實作不受影響。請升級至 2.8.1 ，此版本已修補此問題。如果無法升級，請勿使用平行連接埠重新導向 (「/parallel」命令行開關) 作為因應措施。(CVE-2022-39282)

  - FreeRDP 是免費的遠端桌面通訊協定庫和用戶端。使用「/video」命令行開關時，所有基於 FreeRDP 的用戶端都可能會讀取未初始化的資料，將其解碼為音訊/視訊並顯示結果。基於 FreeRDP 的伺服器實作不受影響。此問題已在 2.8.1 版中修正。如果您無法升級，請勿使用「/video」開關。(CVE-2022-39283)

  - FreeRDP 是免費的遠端桌面通訊協定庫和用戶端。在受影響的版本中，FreeRDP 的 ZGFX 解碼器元件存在超出邊界讀取弱點。惡意伺服器可誘騙 FreeRDP 型用戶端讀取超出邊界的資料並嘗試解碼，這可能導致當機。此問題已在 2.9.0 版中解決。建議使用者進行升級。(CVE-2022-39316)

  - FreeRDP 是免費的遠端桌面通訊協定庫和用戶端。在受影響的 FreeRDP 版本中，ZGFX 解碼器缺少針對輸入位移索引的範圍檢查。惡意伺服器可誘騙 FreeRDP 型用戶端讀取超出邊界的資料並嘗試解碼。此問題已在 2.9.0 版中解決。目前沒有任何因應措施可解決此問題。(CVE-2022-39317)

  - FreeRDP 是免費的遠端桌面通訊協定庫和用戶端。在受影響的 FreeRDP 版本中，「urbdrc」通道缺少輸入驗證。惡意伺服器可誘騙 FreeRDP 型用戶端因除以零錯誤而損毀。此問題已在 2.9.0 版中解決。建議所有使用者升級。無法升級的使用者不應使用「/usb」重新導向開關。(CVE-2022-39318)

  - FreeRDP 是免費的遠端桌面通訊協定庫和用戶端。在受影響的 FreeRDP 版本中，「urbdrc」通道缺少輸入長度驗證。惡意伺服器可誘騙 FreeRDP 型用戶端讀取超出邊界的資料並將其傳送回伺服器。此問題已在 2.9.0 版中解決，建議所有使用者皆升級。無法升級的使用者不應使用「/usb」重新導向開關。
    (CVE-2022-39319)

  - FreeRDP 是免費的遠端桌面通訊協定庫和用戶端。受影響的 FreeRDP 版本可能會嘗試對太窄的類型進行整數加法，進而導致配置的緩衝區太小，無法容納寫入的資料。惡意伺服器可誘騙 FreeRDP 型用戶端讀取超出邊界的資料並將其傳送回伺服器。此問題已在 2.9.0 版中解決，建議所有使用者皆升級。無法升級的使用者不應使用「/usb」重新導向開關。(CVE-2022-39320)

  - FreeRDP 是免費的遠端桌面通訊協定庫和用戶端。受影響的 FreeRDP 版本缺少針對「drive」通道的路徑標準化和基本路徑檢查。惡意伺服器可誘騙 FreeRDP 型用戶端讀取共用目錄之外的檔案。此問題已在 2.9.0 版中解決，建議所有使用者皆升級。無法升級的使用者不應使用「/drive」、「/drives」或「+home-drive」重新導向開關。(CVE-2022-39347)

  - FreeRDP 是免費的遠端桌面通訊協定庫和用戶端。在受影響的 FreeRDP 版本中，「drive」通道缺少輸入長度驗證。惡意伺服器可誘騙 FreeRDP 型用戶端讀取超出邊界的資料並將其傳送回伺服器。此問題已在 2.9.0 版中解決，建議所有使用者皆升級。無法升級的使用者不應使用 drive 重新導向通道—命令行選項「/drives」、「+drives」或「+home-drive」。(CVE-2022-41877)

請注意，Nessus 並未測試這些問題，而是僅依據應用程式自我報告的版本號碼作出判斷。

遠端 AlmaLinux 9 主機已安裝受到多個弱點影響的套件如 ALSA-2023:2326 公告中所提及。

  - FreeRDP 是免費的遠端桌面通訊協定庫和用戶端。Unix 系統中使用「/parallel」命令行開關的基於 FreeRDP 的用戶端可能會讀取未初始化的資料，並將其傳送至用戶端目前連線的伺服器。基於 FreeRDP 的伺服器實作不受影響。請升級至 2.8.1 ，此版本已修補此問題。如果無法升級，請勿使用平行連接埠重新導向 (「/parallel」命令行開關) 作為因應措施。(CVE-2022-39282)

  - FreeRDP 是免費的遠端桌面通訊協定庫和用戶端。使用「/video」命令行開關時，所有基於 FreeRDP 的用戶端都可能會讀取未初始化的資料，將其解碼為音訊/視訊並顯示結果。基於 FreeRDP 的伺服器實作不受影響。此問題已在 2.8.1 版中修正。如果您無法升級，請勿使用「/video」開關。(CVE-2022-39283)

  - FreeRDP 是免費的遠端桌面通訊協定庫和用戶端。在受影響的版本中，FreeRDP 的 ZGFX 解碼器元件存在超出邊界讀取弱點。惡意伺服器可誘騙 FreeRDP 型用戶端讀取超出邊界的資料並嘗試解碼，這可能導致當機。此問題已在 2.9.0 版中解決。建議使用者進行升級。(CVE-2022-39316)

  - FreeRDP 是免費的遠端桌面通訊協定庫和用戶端。在受影響的 FreeRDP 版本中，ZGFX 解碼器缺少針對輸入位移索引的範圍檢查。惡意伺服器可誘騙 FreeRDP 型用戶端讀取超出邊界的資料並嘗試解碼。此問題已在 2.9.0 版中解決。目前沒有任何因應措施可解決此問題。(CVE-2022-39317)

  - FreeRDP 是免費的遠端桌面通訊協定庫和用戶端。在受影響的 FreeRDP 版本中，「urbdrc」通道缺少輸入驗證。惡意伺服器可誘騙 FreeRDP 型用戶端因除以零錯誤而損毀。此問題已在 2.9.0 版中解決。建議所有使用者升級。無法升級的使用者不應使用「/usb」重新導向開關。(CVE-2022-39318)

  - FreeRDP 是免費的遠端桌面通訊協定庫和用戶端。在受影響的 FreeRDP 版本中，「urbdrc」通道缺少輸入長度驗證。惡意伺服器可誘騙 FreeRDP 型用戶端讀取超出邊界的資料並將其傳送回伺服器。此問題已在 2.9.0 版中解決，建議所有使用者皆升級。無法升級的使用者不應使用「/usb」重新導向開關。
    (CVE-2022-39319)

  - FreeRDP 是免費的遠端桌面通訊協定庫和用戶端。受影響的 FreeRDP 版本可能會嘗試對太窄的類型進行整數加法，進而導致配置的緩衝區太小，無法容納寫入的資料。惡意伺服器可誘騙 FreeRDP 型用戶端讀取超出邊界的資料並將其傳送回伺服器。此問題已在

遠端 CentOS Linux 9 主機上安裝的套件受到 freerdp-2.4.1-5.el9 版本變更記錄中提及的多個弱點影響。

  - 修正並列驅動程式中的長度檢查 (#2136152) (CVE-2022-39282)

  - 新增視訊通道中遺漏的長度檢查 (#2136154) (CVE-2022-39283)

  - FreeRDP 是免費的遠端桌面通訊協定庫和用戶端。在受影響的版本中，FreeRDP 的 ZGFX 解碼器元件存在超出邊界讀取弱點。惡意伺服器可誘騙 FreeRDP 型用戶端讀取超出邊界的資料並嘗試解碼，這可能導致當機。此問題已在 2.9.0 版中解決。建議使用者進行升級。(CVE-2022-39316)

  - 新增 zgfx 中遺漏的長度檢查 (#2145140) (CVE-2022-39317)

  - 修正 urbdrc 通道中的除數為零的問題 (#2145140) (CVE-2022-39318)

  - 新增 urbdrc 通道中遺漏的長度檢查 (#2145140) (CVE-2022-39319)

  - 確保 urb_create_iocompletion 使用 size_t (#2145140) (CVE-2022-39320)

  - 修正磁碟機通道中的路徑驗證 (#2145140) (CVE-2022-39347)

  - 新增磁碟機通道中遺漏的長度檢查 (#2145140) (CVE-2022-41877)

請注意，Nessus 並未測試這些問題，而是僅依據應用程式自我報告的版本號碼作出判斷。

ID	名前	製品	ファミリー	公開日	更新日	深刻度
193924	CentOS 9 : freerdp-2.4.1-5.el9	Nessus	CentOS Local Security Checks	2024/4/26	2024/4/26	high
167881	Slackware Linux 15.0 / current freerdp Multiple Vulnerabilities (SSA:2022-321-01)	Nessus	Slackware Local Security Checks	2022/11/18	2023/3/22	medium
171486	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : freerdp (SUSE-SU-2023:0399-1)	Nessus	SuSE Local Security Checks	2023/2/15	2023/7/14	medium
175865	RHEL 8 : freerdp (RHSA-2023:2851)	Nessus	Red Hat Local Security Checks	2023/5/16	2024/11/7	high
176173	AlmaLinux 8 : freerdp (ALSA-2023:2851)	Nessus	Alma Linux Local Security Checks	2023/5/20	2023/5/20	high
211437	Fedora 37 : freerdp (2022-076b1c9978)	Nessus	Fedora Local Security Checks	2024/11/15	2024/11/15	medium
193924	CentOS 9：freerdp-2.4.1-5.el9	Nessus	CentOS Local Security Checks	2024/4/26	2024/4/26	high
175472	RHEL 9：freerdp (RHSA-2023: 2326)	Nessus	Red Hat Local Security Checks	2023/5/13	2024/11/8	high
175639	AlmaLinux 9freerdp (ALSA-2023:2326)	Nessus	Alma Linux Local Security Checks	2023/5/14	2023/5/14	high
175472	RHEL 9：freerdp (RHSA-2023: 2326)	Nessus	Red Hat Local Security Checks	2023/5/13	2024/11/8	high
175639	AlmaLinux 9freerdp (ALSA-2023:2326)	Nessus	Alma Linux Local Security Checks	2023/5/14	2023/5/14	high
193924	CentOS 9：freerdp-2.4.1-5.el9	Nessus	CentOS Local Security Checks	2024/4/26	2024/4/26	high

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