CVE-2021-42762 Affecting libwebkit2gtk3-lang package, versions <2.32.4-15.1
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Test your applications- Snyk ID SNYK-SLES152-LIBWEBKIT2GTK3LANG-2659260
- published 14 Apr 2022
- disclosed 3 Nov 2021
Introduced: 3 Nov 2021
CVE-2021-42762 Open this link in a new tabHow to fix?
Upgrade SLES:15.2 libwebkit2gtk3-lang to version 2.32.4-15.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libwebkit2gtk3-lang package and not the libwebkit2gtk3-lang package as distributed by SLES.
See How to fix? for SLES:15.2 relevant fixed versions and status.
BubblewrapLauncher.cpp in WebKitGTK and WPE WebKit before 2.34.1 allows a limited sandbox bypass that allows a sandboxed process to trick host processes into thinking the sandboxed process is not confined by the sandbox, by abusing VFS syscalls that manipulate its filesystem namespace. The impact is limited to host services that create UNIX sockets that WebKit mounts inside its sandbox, and the sandboxed process remains otherwise confined. NOTE: this is similar to CVE-2021-41133.
References
- https://www.suse.com/security/cve/CVE-2021-42762.html
- https://bugzilla.suse.com/1191937
- https://bugs.webkit.org/show_bug.cgi?id=231479
- https://github.com/flatpak/flatpak/security/advisories/GHSA-67h7-w3jq-vh4q
- http://www.openwall.com/lists/oss-security/2021/10/26/9
- http://www.openwall.com/lists/oss-security/2021/10/27/1
- http://www.openwall.com/lists/oss-security/2021/10/27/2
- http://www.openwall.com/lists/oss-security/2021/10/27/4
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ON5SDVVPVPCAGFPW2GHYATZVZYLPW2L4/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M5J2LZQTDX53DNSKSGU7TQYCO2HKSTY4/
- https://www.debian.org/security/2021/dsa-4996
- https://www.debian.org/security/2021/dsa-4995
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/H6MGXCX7P5AHWOQ6IRT477UKT7IS4DAD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H6MGXCX7P5AHWOQ6IRT477UKT7IS4DAD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M5J2LZQTDX53DNSKSGU7TQYCO2HKSTY4/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ON5SDVVPVPCAGFPW2GHYATZVZYLPW2L4/