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AUSCERT External Security Bulletin Redistribution
ESB-2021.1078
USN-4894-1: WebKitGTK vulnerabilities
30 March 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: WebKitGTK
Publisher: Ubuntu
Operating System: Ubuntu
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-2021.1071
Original Bulletin:
https://ubuntu.com/security/notices/USN-4894-1
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USN-4894-1: WebKitGTK vulnerabilities
29 March 2021
Several security issues were fixed in WebKitGTK.
Releases
o Ubuntu 20.10
o Ubuntu 20.04 LTS
o Ubuntu 18.04 LTS
Packages
o webkit2gtk - Web content engine library for GTK+
Details
A large number of security issues were discovered in the WebKitGTK Web and
JavaScript engines. If a user were tricked into viewing a malicious
website, a remote attacker could exploit a variety of issues related to web
browser security, including cross-site scripting attacks, denial of service
attacks, and arbitrary code execution.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 20.10
o libwebkit2gtk-4.0-37 - 2.30.6-0ubuntu0.20.10.1
o libjavascriptcoregtk-4.0-18 - 2.30.6-0ubuntu0.20.10.1
Ubuntu 20.04
o libwebkit2gtk-4.0-37 - 2.30.6-0ubuntu0.20.04.1
o libjavascriptcoregtk-4.0-18 - 2.30.6-0ubuntu0.20.04.1
Ubuntu 18.04
o libwebkit2gtk-4.0-37 - 2.30.6-0ubuntu0.18.04.1
o libjavascriptcoregtk-4.0-18 - 2.30.6-0ubuntu0.18.04.1
This update uses a new upstream release, which includes additional bug
fixes. After a standard system update you need to restart any applications
that use WebKitGTK, such as Epiphany, to make all the necessary changes.
References
o CVE-2021-1765
o CVE-2020-27918
o CVE-2021-1870
o CVE-2021-1801
o CVE-2020-29623
o CVE-2021-1789
o CVE-2021-1799
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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
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On call after hours for member emergencies only.
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The post ESB-2021.1078 – [Ubuntu] WebKitGTK: Multiple vulnerabilities appeared first on Malware Devil.
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