According to the version of the keepalived package installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - Heap-based buffer overflow vulnerability in     extract_status_code() function in lib/html.c that     parses HTTP status code returned from web server allows     malicious web server or man-in-the-middle attacker     pretending to be a web server to cause either a denial     of service or potentially execute arbitrary code on     keepalived load balancer.(CVE-2018-19115)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2019:1792 advisory.

    The keepalived utility provides simple and robust facilities for load balancing and high availability. The     load balancing framework relies on the well-known and widely used IP Virtual Server (IPVS) kernel module     providing layer-4 (transport layer) load balancing. Keepalived implements a set of checkers to dynamically     and adaptively maintain and manage a load balanced server pool according to the health of the servers.
    Keepalived also implements the Virtual Router Redundancy Protocol (VRRPv2) to achieve high availability     with director failover.

    Security Fix(es):

    * keepalived: Heap-based buffer overflow when parsing HTTP status codes allows for denial of service or     possibly arbitrary code execution (CVE-2018-19115)

    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.

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

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

Security fix for CVE-2018-19044, CVE-2018-19045, CVE-2018-19046, CVE-2018-19115

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Security Fix(es) :

  - keepalived: Heap-based buffer overflow when parsing HTTP     status codes allows for denial of service or possibly     arbitrary code execution (CVE-2018-19115)

The remote host is affected by the vulnerability described in GLSA-201903-01 (Keepalived: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in keepalived. Please       review the CVE identifiers referenced below for details.
  Impact :

    A remote attacker could send a specially crafted request possibly       resulting in a Denial of Service condition. A local attacker could       perform symlink attacks to overwrite arbitrary files with the privileges       of the user running the application.
  Workaround :

    There is no known workaround at this time.

According to the versions of the keepalived package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - Heap-based buffer overflow vulnerability in     extract_status_code() function in lib/html.c that     parses HTTP status code returned from web server allows     malicious web server or man-in-the-middle attacker     pretending to be a web server to cause either a denial     of service or potentially execute arbitrary code on     keepalived load balancer.(CVE-2018-19115)

  - keepalived 2.0.8 used mode 0666 when creating new     temporary files upon a call to PrintData or PrintStats,     potentially leaking sensitive     information.(CVE-2018-19045)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the keepalived package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - keepalived 2.0.8 didn't check for pathnames with     symlinks when writing data to a temporary file upon a     call to PrintData or PrintStats. This allowed local     users to overwrite arbitrary files if     fs.protected_symlinks is set to 0, as demonstrated by a     symlink from /tmp/keepalived.data or     /tmp/keepalived.stats to /etc/passwd.(CVE-2018-19044)

  - keepalived before 2.0.7 has a heap-based buffer     overflow when parsing HTTP status codes resulting in     DoS or possibly unspecified other impact, because     extract_status_code in lib/html.c has no validation of     the status code and instead writes an unlimited amount     of data to the heap.(CVE-2018-19115)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote MiracleLinux 7 host has a package installed that is affected by a vulnerability as referenced in the AXSA:2019-3747:01 advisory.

    [Security Fix]
    - keepalived     DoS(CVE-2018-19115)     CVEJVNhttp://jvndb.jvn.jp/

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

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

ID	名前	製品	ファミリー	公開日	更新日	深刻度
126866	EulerOS 2.0 SP2 : keepalived (EulerOS-SA-2019-1739)	Nessus	Huawei Local Security Checks	2019/7/22	2024/5/9	critical
126760	RHEL 7 : keepalived (RHSA-2019:1792)	Nessus	Red Hat Local Security Checks	2019/7/17	2024/11/6	critical
120373	Fedora 29 : keepalived (2018-3fbc181b3e)	Nessus	Fedora Local Security Checks	2019/1/3	2024/7/8	critical
120980	Scientific Linux Security Update : keepalived on SL7.x x86_64 (20190103)	Nessus	Scientific Linux Local Security Checks	2019/1/7	2024/6/27	critical
122729	GLSA-201903-01 : Keepalived: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	2019/3/11	2024/6/14	critical
127007	EulerOS 2.0 SP8 : keepalived (EulerOS-SA-2019-1770)	Nessus	Huawei Local Security Checks	2019/7/25	2024/5/8	critical
135655	EulerOS Virtualization 3.0.2.2 : keepalived (EulerOS-SA-2020-1493)	Nessus	Huawei Local Security Checks	2020/4/16	2024/3/15	critical
129237	EulerOS 2.0 SP3 : keepalived (EulerOS-SA-2019-2044)	Nessus	Huawei Local Security Checks	2019/9/24	2024/4/23	critical
289058	MiracleLinux 7 : keepalived-1.3.5-8.el7 (AXSA:2019-3747:01)	Nessus	Miracle Linux Local Security Checks	2026/1/16	2026/1/16	critical

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