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Gentoo: GLSA-202208-08 Moderate Severity: Vulnerability in LibRaw Memory

gentoo
Calendar Grey August 10, 2022
Dist Gentoo Esm H88
Gentoo has issued an advisory about a buffer overread vulnerability in LibRaw that could lead to denial of service, urging users to update and apply patches
A buffer overread in LibRaw might allow an attacker to cause denial of service.

Summary

LibRaw incorrectly handles parsing DNG fields in some cases, potentially resulting in a buffer overread leading to denial of service.

Topics%20covered

Topics Covered

security advisory denial of service gentoo security fix low severity buffer overread libraw

Resolution

All LibRaw users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=media-libs/libraw-0.20.2"

References

[ 1 ] CVE-2020-24870 https://nvd.nist.gov/vuln/detail/CVE-2020-24870

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202208-07
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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: Low
Title: LibRaw: Stack buffer overread
Date: August 10, 2022
Bugs: #793956
ID: 202208-07

Topics%20covered

Topics Covered

security advisory denial of service gentoo security fix low severity buffer overread libraw

Synopsis

A buffer overread in LibRaw might allow an attacker to cause denial of service.

Background

LibRaw is a library for reading RAW files obtained from digital photo cameras.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 media-libs/libraw < 0.20.2 >= 0.20.2

Impact

===== An attacker capable of providing crafted input to LibRaw could trigger denial of service.

Workaround

There is no known workaround at this time.

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