リモートのWindowsホストにインストールされているMozilla Firefox ESRは、60.3より前のバージョンです。したがって、以下の複数の脆弱性による影響を受けます。

  - During HTTP Live Stream playback on Firefox for Android, audio data can be accessed across origins in violation of security policies. この問題は基盤となるAndroidサービスにあるため、すべてのHLSストリームをオリジン間として扱い、アクセスを不透明にすることで対処されます。*注：この問題はFirefox for Androidにのみ影響します。Desktop versions of Firefox are unaffected.* (CVE-2018-12391)

  - When manipulating user events in nested loops while opening a document through script, it is possible to trigger a potentially exploitable crash due to poor event handling. (CVE-2018-12392)

  - A potential vulnerability was found in 32-bit builds where an integer overflow during the conversion of scripts to an internal UTF-16 representation could result in allocating a buffer too small for the conversion. This leads to a possible out-of-bounds write. *Note: 64-bit builds are not vulnerable to this issue.* (CVE-2018-12393)

  - By rewriting the Host request headers using the webRequest API, a WebExtension can bypass domain restrictions through domain fronting. This would allow access to domains that share a host that are otherwise restricted. (CVE-2018-12395)

  - A vulnerability where a WebExtension can run content scripts in disallowed contexts following navigation or other events. This allows for potential privilege escalation by the WebExtension on sites where content scripts should not be run. (CVE-2018-12396)

  - A WebExtension can request access to local files without the warning prompt stating that the extension will 'Access your data for all websites' being displayed to the user. This allows extensions to run content scripts in local pages without permission warnings when a local file is opened. (CVE-2018-12397)

  - Mozilla developers and community members Daniel Veditz and Philipp reported memory safety bugs present in Firefox ESR 60.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. (CVE-2018-12389)

  - Mozilla developers and community members Christian Holler, Bob Owen, Boris Zbarsky, Calixte Denizet, Jason Kratzer, Jed Davis, Taegeon Lee, Philipp, Ronald Crane, Raul Gurzau, Gary Kwong, Tyson Smith, Raymond Forbes, and Bogdan Tara reported memory safety bugs present in Firefox 62 and Firefox ESR 60.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. (CVE-2018-12390)

Nessus はこれらの問題を悪用したことはありませんが、代わりにアプリケーションが自己報告するバージョン番号にのみ頼っています。

検出

Mozilla Firefox ESR < 60.3の複数の脆弱性

high Nessus プラグイン ID 118395

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