RHSA-2023:4461 - Security Advisory

Topic

An update for firefox is now available for Red Hat Enterprise Linux 7.

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 102.14.0 ESR.

Security Fix(es):

• Mozilla: Offscreen Canvas could have bypassed cross-origin restrictions (CVE-2023-4045)
• Mozilla: Incorrect value used during WASM compilation (CVE-2023-4046)
• Mozilla: Potential permissions request bypass via clickjacking (CVE-2023-4047)
• Mozilla: Crash in DOMParser due to out-of-memory conditions (CVE-2023-4048)
• Mozilla: Fix potential race conditions when releasing platform objects (CVE-2023-4049)
• Mozilla: Stack buffer overflow in StorageManager (CVE-2023-4050)
• Mozilla: Memory safety bugs fixed in Firefox 116, Firefox ESR 115.1, Firefox ESR 102.14, Thunderbird 115.1, and Thunderbird 102.14 (CVE-2023-4056)
• Mozilla: Memory safety bugs fixed in Firefox 116, Firefox ESR 115.1, and Thunderbird 115.1 (CVE-2023-4057)
• Mozilla: Cookie jar overflow caused unexpected cookie jar state (CVE-2023-4055)

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 Server 7 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 7 x86_64
• Red Hat Enterprise Linux Workstation 7 x86_64
• Red Hat Enterprise Linux Desktop 7 x86_64
• Red Hat Enterprise Linux for IBM z Systems 7 s390x
• Red Hat Enterprise Linux for Power, big endian 7 ppc64
• Red Hat Enterprise Linux for Power, little endian 7 ppc64le
• Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 7 s390x
• Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian 7 ppc64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian 7 ppc64le

Fixes

• BZ - 2228360 - CVE-2023-4045 Mozilla: Offscreen Canvas could have bypassed cross-origin restrictions
• BZ - 2228361 - CVE-2023-4046 Mozilla: Incorrect value used during WASM compilation
• BZ - 2228362 - CVE-2023-4047 Mozilla: Potential permissions request bypass via clickjacking
• BZ - 2228363 - CVE-2023-4048 Mozilla: Crash in DOMParser due to out-of-memory conditions
• BZ - 2228364 - CVE-2023-4049 Mozilla: Fix potential race conditions when releasing platform objects
• BZ - 2228365 - CVE-2023-4050 Mozilla: Stack buffer overflow in StorageManager
• BZ - 2228367 - CVE-2023-4055 Mozilla: Cookie jar overflow caused unexpected cookie jar state
• BZ - 2228370 - CVE-2023-4056 Mozilla: Memory safety bugs fixed in Firefox 116, Firefox ESR 115.1, Firefox ESR 102.14, Thunderbird 115.1, and Thunderbird 102.14
• BZ - 2228371 - CVE-2023-4057 Mozilla: Memory safety bugs fixed in Firefox 116, Firefox ESR 115.1, and Thunderbird 115.1

CVEs

• CVE-2023-4045
• CVE-2023-4046
• CVE-2023-4047
• CVE-2023-4048
• CVE-2023-4049
• CVE-2023-4050
• CVE-2023-4055
• CVE-2023-4056
• CVE-2023-4057

References

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