GLSA 202208-07: LibRaw: Stack buffer overread

http://security.gentoo.org/

Severity:	low
Title:	LibRaw: Stack buffer overread
Date:	08/10/2022
Bugs:	#793956
ID:	202208-07

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.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
media-libs/libraw	< 0.20.2	>= 0.20.2	All supported architectures

Description

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

Impact

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

Workaround

There is no known workaround at this time.

Resolution

All LibRaw users should upgrade to the latest version:

          # emerge --sync
          # emerge --ask --oneshot --verbose ">=media-libs/libraw-0.20.2"

References

CVE-2020-24870

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202208-07.xml

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.