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CVE-2021-42762 Detail

Description

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.openwall.com/lists/oss-security/2021/10/26/9 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2021/10/27/1 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2021/10/27/2 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2021/10/27/4 Mailing List  Third Party Advisory 
https://bugs.webkit.org/show_bug.cgi?id=231479 Exploit  Issue Tracking  Vendor Advisory 
https://github.com/flatpak/flatpak/security/advisories/GHSA-67h7-w3jq-vh4q Third Party Advisory 
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/
https://www.debian.org/security/2021/dsa-4995 Third Party Advisory 
https://www.debian.org/security/2021/dsa-4996 Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-Other Other cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

13 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-42762
NVD Published Date:
10/20/2021
NVD Last Modified:
11/06/2023
Source:
MITRE