Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2021.1071
webkit2gtk security update
29 March 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: webkit2gtk
Publisher: Debian
Operating System: Debian GNU/Linux
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Provide Misleading Information -- Remote with User Interaction
Unauthorised Access -- Remote with User Interaction
Reduced Security -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2021-1870 CVE-2021-1801 CVE-2021-1799
CVE-2021-1789 CVE-2021-1765 CVE-2020-29623
CVE-2020-27918
Reference: ESB-2021.0349
ESB-2020.4060.2
Original Bulletin:
http://www.debian.org/security/2021/dsa-4877
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Debian Security Advisory DSA-4877-1 security@debian.org
https://www.debian.org/security/ Alberto Garcia
March 27, 2021 https://www.debian.org/security/faq
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Package : webkit2gtk
CVE ID : CVE-2020-27918 CVE-2020-29623 CVE-2021-1765 CVE-2021-1789
CVE-2021-1799 CVE-2021-1801 CVE-2021-1870
The following vulnerabilities have been discovered in the webkit2gtk
web engine:
CVE-2020-27918
Liu Long discovered that processing maliciously crafted web
content may lead to arbitrary code execution.
CVE-2020-29623
Simon Hunt discovered that users may be unable to fully delete
their browsing history under some circumstances.
CVE-2021-1765
Eliya Stein discovered that maliciously crafted web content may
violate iframe sandboxing policy.
CVE-2021-1789
@S0rryMybad discovered that processing maliciously crafted web
content may lead to arbitrary code execution.
CVE-2021-1799
Gregory Vishnepolsky, Ben Seri and Samy Kamkar discovered that a
malicious website may be able to access restricted ports on
arbitrary servers.
CVE-2021-1801
Eliya Stein discovered that processing maliciously crafted web
content may lead to arbitrary code execution.
CVE-2021-1870
An anonymous researcher discovered that processing maliciously
crafted web content may lead to arbitrary code execution.
For the stable distribution (buster), these problems have been fixed in
version 2.30.6-1~deb10u1.
We recommend that you upgrade your webkit2gtk packages.
For the detailed security status of webkit2gtk please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/webkit2gtk
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org
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