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RedHat: RHSA-2021-4097-01 Moderate: webkit2gtk3 Arbitrary Code Execution

red hat
Calendar Grey November 2, 2021
Dist Redhat Esm H88
Fedora 37 has rolled out a gst-plugins-base update addressing moderate vulnerabilities, notably concerning potential information disclosure.
An update for webkit2gtk3 is now available for Red Hat Enterprise Linux 8

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

Summary

WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.
Security Fix(es):
* webkitgtk: Use-after-free leading to arbitrary code execution (CVE-2021-30858)
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.
Bug Fix(es):
* WebProcess::initializeWebProcess crashing on aarch64 (BZ#2010825)

Topics%20covered

Topics Covered

security advisory Red Hat software update bug fix arbitrary code execution web rendering

References

https://access.redhat.com/security/cve/CVE-2021-30858 https://access.redhat.com/security/updates/classification#moderate

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: webkit2gtk3-2.30.4-3.el8_4.src.rpm
aarch64: webkit2gtk3-2.30.4-3.el8_4.aarch64.rpm webkit2gtk3-debuginfo-2.30.4-3.el8_4.aarch64.rpm webkit2gtk3-debugsource-2.30.4-3.el8_4.aarch64.rpm webkit2gtk3-devel-2.30.4-3.el8_4.aarch64.rpm webkit2gtk3-devel-debuginfo-2.30.4-3.el8_4.aarch64.rpm webkit2gtk3-jsc-2.30.4-3.el8_4.aarch64.rpm webkit2gtk3-jsc-debuginfo-2.30.4-3.el8_4.aarch64.rpm webkit2gtk3-jsc-devel-2.30.4-3.el8_4.aarch64.rpm webkit2gtk3-jsc-devel-debuginfo-2.30.4-3.el8_4.aarch64.rpm
ppc64le: webkit2gtk3-2.30.4-3.el8_4.ppc64le.rpm webkit2gtk3-debuginfo-2.30.4-3.el8_4.ppc64le.rpm webkit2gtk3-debugsource-2.30.4-3.el8_4.ppc64le.rpm webkit2gtk3-devel-2.30.4-3.el8_4.ppc64le.rpm webkit2gtk3-devel-debuginfo-2.30.4-3.el8_4.ppc64le.rpm webkit2gtk3-jsc-2.30.4-3.el8_4.ppc64le.rpm webkit2gtk3-jsc-debuginfo-2.30.4-3.el8_4.ppc64le.rpm webkit2gtk3-jsc-devel-2.30.4-3.el8_4.ppc64le.rpm webkit2gtk3-jsc-devel-debuginfo-2.30.4-3.el8_4.ppc64le.rpm
s390x: webkit2gtk3-2.30.4-3.el8_4.s390x.rpm webkit2gtk3-debuginfo-2.30.4-3.el8_4.s390x.rpm webkit2gtk3-debugsource-2.30.4-3.el8_4.s390x.rpm webkit2gtk3-devel-2.30.4-3.el8_4.s390x.rpm webkit2gtk3-devel-debuginfo-2.30.4-3.el8_4.s390x.rpm webkit2gtk3-jsc-2.30.4-3.el8_4.s390x.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:4097-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:4097
Issue date: 2021-11-02

Topic

An update for webkit2gtk3 is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Moderate. 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 Red Hat software update bug fix arbitrary code execution web rendering

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

2006099 - CVE-2021-30858 webkitgtk: Use-after-free leading to arbitrary code execution

2010825 - WebProcess::initializeWebProcess crashing on aarch64 [rhel-8.4.0.z]

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