The version of Firefox installed on the remote macOS or Mac OS X host is prior to 121.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2023-56 advisory.

  - The WebGL <code>DrawElementsInstanced</code> method was susceptible to a heap buffer overflow when used on     systems with the Mesa VM driver. This issue could allow an attacker to perform remote code execution and     sandbox escape. (CVE-2023-6856)

  - Multiple NSS NIST curves were susceptible to a side-channel attack known as Minerva. This attack could     potentially allow an attacker to recover the private key. (CVE-2023-6135)

  - <code>EncryptingOutputStream</code> was susceptible to exposing uninitialized data. This issue could only     be abused in order to write data to a local disk which may have implications for private browsing mode.
    (CVE-2023-6865)

  - When resolving a symlink, a race may occur where the buffer passed to <code>readlink</code> may actually     be smaller than necessary.  This bug only affects Firefox on Unix-based operating systems (Android, Linux,     MacOS). Windows is unaffected. (CVE-2023-6857)

  - Firefox was susceptible to a heap buffer overflow in <code>nsTextFragment</code> due to insufficient OOM     handling. (CVE-2023-6858)

  - A use-after-free condition affected TLS socket creation when under memory pressure. (CVE-2023-6859)

  - TypedArrays can be fallible and lacked proper exception handling. This could lead to abuse in other APIs     which expect TypedArrays to always succeed. (CVE-2023-6866)

  - The <code>VideoBridge</code> allowed any content process to use textures produced by remote decoders. This     could be abused to escape the sandbox. (CVE-2023-6860)

  - The timing of a button click causing a popup to disappear was approximately the same length as the anti-     clickjacking delay on permission prompts. It was possible to use this fact to surprise users by luring     them to click where the permission grant button would be about to appear. (CVE-2023-6867)

  - The <code>nsWindow::PickerOpen(void)</code> method was susceptible to a heap buffer overflow when running     in headless mode. (CVE-2023-6861)

  - In some instances, the user-agent would allow push requests which lacked a valid VAPID even though the     push manager subscription defined one. This could allow empty messages to be sent from unauthorized     parties. This bug only affects Firefox on Android. (CVE-2023-6868)

  - A <code><dialog></code> element could have been manipulated to paint content outside of a sandboxed     iframe. This could allow untrusted content to display under the guise of trusted content. (CVE-2023-6869)

  - Applications which spawn a Toast notification in a background thread may have obscured fullscreen     notifications displayed by Firefox.  This issue only affects Android versions of Firefox and Firefox     Focus. (CVE-2023-6870)

  - Under certain conditions, Firefox did not display a warning when a user attempted to navigate to a new     protocol handler. (CVE-2023-6871)

  - Browser tab titles were being leaked by GNOME to system logs. This could potentially expose the browsing     habits of users running in a private tab. (CVE-2023-6872)

  - The <code>ShutdownObserver()</code> was susceptible to potentially undefined behavior due to its reliance     on a dynamic type that lacked a virtual destructor. (CVE-2023-6863)

  - Memory safety bugs present in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5. Some of these bugs     showed evidence of memory corruption and we presume that with enough effort some of these could have been     exploited to run arbitrary code. (CVE-2023-6864)

  - Memory safety bugs present in Firefox 120. Some of these bugs showed evidence of memory corruption and we     presume that with enough effort some of these could have been exploited to run arbitrary code.
    (CVE-2023-6873)

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

Detections

Analytics

Mozilla Firefox < 121.0

high Nessus Plugin ID 187080

Version 1.4

Version 1.3

Version 1.2

Version 1.1

Version 1.0

Version 1.4 Jan 26, 2024, 11:38 AM IAVM reference Plugin Feed: 202401261138
Version 1.3 Dec 25, 2023, 2:08 PM Exploit attributes ("Exploit available" set to "True". "Exploitability ease" changed from "No known exploits are available" to "Exploits are available") CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:POC/RL:OF/RC:C". "CVSSv3 temporal vector" set to "CVSS:3.0/E:P/RL:O/RC:C") CVSS metrics ("CVSSv2 score" set to 10.0. "CVSSv3 score" set to 8.8. "CVSSv2 vector" set to "CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C". "CVSSv3 vector" set to "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H") Plugin Feed: 202312251408
Version 1.2 Dec 22, 2023, 10:57 AM STIG Severity (set to "I") IAVM reference Plugin Feed: 202312221057
Version 1.1 Dec 19, 2023, 10:53 PM Plugin metadata Plugin Feed: 202312192253
Version 1.0 Dec 19, 2023, 8:16 PM New Plugin Feed: 202312192016