Important: firefox security update

Topic

An update for firefox is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

This update upgrades Firefox to version 102.5.0 ESR.

Security Fix(es):

• Mozilla: Service Workers might have learned size of cross-origin media files (CVE-2022-45403)
• Mozilla: Fullscreen notification bypass (CVE-2022-45404)
• Mozilla: Use-after-free in InputStream implementation (CVE-2022-45405)
• Mozilla: Use-after-free of a JavaScript Realm (CVE-2022-45406)
• Mozilla: Fullscreen notification bypass via windowName (CVE-2022-45408)
• Mozilla: Use-after-free in Garbage Collection (CVE-2022-45409)
• Mozilla: Memory safety bugs fixed in Firefox 107 and Firefox ESR 102.5 (CVE-2022-45421)
• Mozilla: ServiceWorker-intercepted requests bypassed SameSite cookie policy (CVE-2022-45410)
• Mozilla: Cross-Site Tracing was possible via non-standard override headers (CVE-2022-45411)
• Mozilla: Symlinks may resolve to partially uninitialized buffers (CVE-2022-45412)
• Mozilla: Keystroke Side-Channel Leakage (CVE-2022-45416)
• Mozilla: Custom mouse cursor could have been drawn over browser UI (CVE-2022-45418)
• Mozilla: Iframe contents could be rendered outside the iframe (CVE-2022-45420)

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing the update, Firefox must be restarted for the changes to take effect.

Affected Products

• Red Hat Enterprise Linux for x86_64 8 x86_64
• Red Hat Enterprise Linux for IBM z Systems 8 s390x
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
• Red Hat Enterprise Linux for ARM 64 8 aarch64

Fixes

• BZ - 2143197 - CVE-2022-45403 Mozilla: Service Workers might have learned size of cross-origin media files
• BZ - 2143198 - CVE-2022-45404 Mozilla: Fullscreen notification bypass
• BZ - 2143199 - CVE-2022-45405 Mozilla: Use-after-free in InputStream implementation
• BZ - 2143200 - CVE-2022-45406 Mozilla: Use-after-free of a JavaScript Realm
• BZ - 2143201 - CVE-2022-45408 Mozilla: Fullscreen notification bypass via windowName
• BZ - 2143202 - CVE-2022-45409 Mozilla: Use-after-free in Garbage Collection
• BZ - 2143203 - CVE-2022-45410 Mozilla: ServiceWorker-intercepted requests bypassed SameSite cookie policy
• BZ - 2143204 - CVE-2022-45411 Mozilla: Cross-Site Tracing was possible via non-standard override headers
• BZ - 2143205 - CVE-2022-45412 Mozilla: Symlinks may resolve to partially uninitialized buffers
• BZ - 2143240 - CVE-2022-45416 Mozilla: Keystroke Side-Channel Leakage
• BZ - 2143241 - CVE-2022-45418 Mozilla: Custom mouse cursor could have been drawn over browser UI
• BZ - 2143242 - CVE-2022-45420 Mozilla: Iframe contents could be rendered outside the iframe
• BZ - 2143243 - CVE-2022-45421 Mozilla: Memory safety bugs fixed in Firefox 107 and Firefox ESR 102.5

CVEs

• CVE-2022-45403
• CVE-2022-45404
• CVE-2022-45405
• CVE-2022-45406
• CVE-2022-45408
• CVE-2022-45409
• CVE-2022-45410
• CVE-2022-45411
• CVE-2022-45412
• CVE-2022-45416
• CVE-2022-45418
• CVE-2022-45420
• CVE-2022-45421

References

• https://access.redhat.com/security/updates/classification/#important