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Gentoo: GLSA-202401-23 Low Severity: Libuv Buffer Overread Risk

gentoo
Calendar Grey January 16, 2024
Dist Gentoo Esm H88
Gentoo Linux advises upgrading due to a libuv buffer over-read vulnerability that poses an information exposure risk.
A buffer overread vulnerability has been found in libuv.

Summary

libuv fails to ensure that a pointer lies within the bounds of a defined buffer in the uv__idna_toascii() function before reading and manipulating the memory at that address.

Topics%20covered

Topics Covered

security advisory gentoo low severity information disclosure buffer overread libuv

Resolution

All libuv users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=dev-libs/libuv-1.41.1"

References

[ 1 ] CVE-2021-22918 https://nvd.nist.gov/vuln/detail/CVE-2021-22918

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
https://security.gentoo.org/glsa/202401-23
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity
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Severity: Low
Title: libuv: Buffer Overread
Date: January 16, 2024
Bugs: #800986
ID: 202401-23

Topics%20covered

Topics Covered

security advisory gentoo low severity information disclosure buffer overread libuv

Synopsis

A buffer overread vulnerability has been found in libuv.

Background

libuv is a multi-platform support library with a focus on asynchronous I/O.

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Affected Packages

Package Vulnerable Unaffected -------------- ------------ ------------ dev-libs/libuv < 1.41.1 >= 1.41.1

Impact

The overread can result in information disclosure or application crash.

Workaround

There is no known workaround at this time.

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