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Gentoo GLSA-202008-10: Normal Severity Heap Buffer Overflow in Chrome

gentoo
Calendar Grey August 25, 2020
Dist Gentoo Esm H88
Gentoo Linux Security Notice GLSA 202008-11 alerts users of a critical vulnerability in Firefox that may lead to remote code execution.
A vulnerablity has been found in Chromium and Google Chrome that could allow a remote attacker to execute arbitrary code

Summary

A buffer overflow has been discovered in Chromium and Google Chrome's SwiftShader component.

Topics%20covered

Topics Covered

security advisory gentoo remote code execution normal heap buffer overflow google chrome chromium

Resolution

All Chromium users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot -v ">=www-client/chromium-84.0.4147.135"
All Google Chrome users should upgrade to the latest version:
# emerge --sync # emerge -a --oneshot -v ">=www-client/google-chrome-84.0.4147.135"

References

[ 1 ] CVE-2020-6556 https://nvd.nist.gov/vuln/detail/CVE-2020-6556 [ 2 ] Upstream advisory https://chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop_18.html

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202008-10
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: Normal
Title: Chromium, Google Chrome: Heap buffer overflow
Date: August 25, 2020
Bugs: #737942
ID: 202008-10

Topics%20covered

Topics Covered

security advisory gentoo remote code execution normal heap buffer overflow google chrome chromium

Synopsis

A vulnerablity has been found in Chromium and Google Chrome that could allow a remote attacker to execute arbitrary code.

Background

Chromium is an open-source browser project that aims to build a safer, faster, and more stable way for all users to experience the web.
Google Chrome is one fast, simple, and secure browser for all your devices.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 www-client/chromium < 84.0.4147.135 >= 84.0.4147.135 2 www-client/google-chrome < 84.0.4147.135 >= 84.0.4147.135 ------------------------------------------------------------------- 2 affected packages

Impact

===== A remote attacker, by enticing a user to visit a specially crafted website, could execute arbitrary code with the privileges of the process.

Workaround

There is no known workaround at this time.

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