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Red Hat: RHSA-2022-4768-01 Critical: Firefox Prototype Security Issues

red hat
Calendar Grey May 27, 2022
Dist Redhat Esm H88
The Ubuntu Security Team has released urgent patches for Chromium in Ubuntu 20.04, targeting significant vulnerabilities and their potential repercussions.
An update for firefox is now available for Red Hat Enterprise Linux 8.2 Extended Update Support

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.

Summary

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.
This update upgrades Firefox to version 91.9.1 ESR.
Security Fix(es):
* Mozilla: Untrusted input used in JavaScript object indexing, leading to prototype pollution (CVE-2022-1529)
* Mozilla: Prototype pollution in Top-Level Await implementation (CVE-2022-1802)
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.

Topics%20covered

Topics Covered

security advisory critical software update firefox red hat enterprise prototype pollution

References

https://access.redhat.com/security/cve/CVE-2022-1529 https://access.redhat.com/security/cve/CVE-2022-1802 https://access.redhat.com/security/updates/classification#critical

Package List

Red Hat Enterprise Linux AppStream EUS (v. 8.2):
Source: firefox-91.9.1-1.el8_2.src.rpm
aarch64: firefox-91.9.1-1.el8_2.aarch64.rpm firefox-debuginfo-91.9.1-1.el8_2.aarch64.rpm firefox-debugsource-91.9.1-1.el8_2.aarch64.rpm
ppc64le: firefox-91.9.1-1.el8_2.ppc64le.rpm firefox-debuginfo-91.9.1-1.el8_2.ppc64le.rpm firefox-debugsource-91.9.1-1.el8_2.ppc64le.rpm
s390x: firefox-91.9.1-1.el8_2.s390x.rpm firefox-debuginfo-91.9.1-1.el8_2.s390x.rpm firefox-debugsource-91.9.1-1.el8_2.s390x.rpm
x86_64: firefox-91.9.1-1.el8_2.x86_64.rpm firefox-debuginfo-91.9.1-1.el8_2.x86_64.rpm firefox-debugsource-91.9.1-1.el8_2.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key


Severity
critical
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:4768-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:4768
Issue date: 2022-05-27

Topic

An update for firefox is now available for Red Hat Enterprise Linux 8.2Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Critical. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory critical software update firefox red hat enterprise prototype pollution

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream EUS (v. 8.2) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

2089217 - CVE-2022-1802 Mozilla: Prototype pollution in Top-Level Await implementation

2089218 - CVE-2022-1529 Mozilla: Untrusted input used in JavaScript object indexing, leading to prototype pollution

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