The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2022:0817 advisory.

  - xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks     for whether a UTF-8 character is valid in a certain context. (CVE-2022-25235)

  - xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters     into namespace URIs. (CVE-2022-25236)

  - In Expat (aka libexpat) before 2.4.5, there is an integer overflow in storeRawNames. (CVE-2022-25315)

  - Mozilla: Use-after-free in text reflows (CVE-2022-26381)

  - Mozilla: Browser window spoof using fullscreen mode (CVE-2022-26383)

  - Mozilla: iframe allow-scripts sandbox bypass (CVE-2022-26384)

  - Mozilla: Temporary files downloaded to /tmp and accessible by other local users (CVE-2022-26386)

  - Mozilla: Time-of-check time-of-use bug when verifying add-on signatures (CVE-2022-26387)

  - Mozilla: Use-after-free in XSLT parameter processing (CVE-2022-26485)

  - Mozilla: Use-after-free in WebGPU IPC Framework (CVE-2022-26486)

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

Detections

Analytics

RHEL 8 : firefox (RHSA-2022:0817)

critical Nessus Plugin ID 158812

Version 1.9

Version 1.8

Version 1.7

Version 1.9 May 25, 2023, 3:03 PM Logic Changes (Added support for ppc64le architecture)
Version 1.8 Apr 25, 2023, 11:11 PM CVSS temporal metrics (Adjust exploitability metrics for CISA KEV vulnerabilities)
Version 1.7 Jan 23, 2023, 9:47 PM Logic Changes (Added support for repository relative URLs)