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Improper Input Validation The advisory has been revoked - it doesn't affect any version of package libwebkit2gtk  (opens in a new tab)

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EPSS
0.54% (43rd percentile)

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  • Snyk IDSNYK-RHEL7-LIBWEBKIT2GTK-1766919
  • published23 Oct 2021
  • disclosed20 Oct 2021
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Introduced: 20 Oct 2021

CVE-2021-42762  (opens in a new tab)
CWE-20  (opens in a new tab)

Amendment

The Red Hat security team deemed this advisory irrelevant for RHEL:7.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libwebkit2gtk package and not the libwebkit2gtk package as distributed by RHEL.

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