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redhatRedHatRHSA-2022:8549
HistoryNov 21, 2022 - 12:24 p.m.

(RHSA-2022:8549) Important: firefox security update

2022-11-2112:24:08
access.redhat.com
10
mozilla
firefox
security update
cve-2022-45403
cross-origin media files
fullscreen notification
use-after-free
memory safety bugs
samesite cookie policy
cross-site tracing
keystroke side-channel leakage
custom mouse cursor
iframe contents

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.004

Percentile

74.3%

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.

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.004

Percentile

74.3%