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Alerts This Week
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Gentoo: GLSA-202210-28 Low: exif Denial of Service Affecting Users

gentoo
Calendar Grey October 30, 2022
Dist Gentoo Esm H88
An issue in exif could potentially cause a denial of service on Gentoo. It is recommended that all users update to the most current version to ensure their security.
A vulnerability has been discovered in exif which could result in denial of service.

Summary

There is a bug in exif's XML output format which can result in a null pointer dereference when outputting crafted JPEG EXIF data.

Topics%20covered

Topics Covered

security advisory denial of service security issue gentoo software update low severity exif

Resolution

All exif users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=media-gfx/exif-0.6.22"

References

[ 1 ] CVE-2021-27815 https://nvd.nist.gov/vuln/detail/CVE-2021-27815

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202210-28
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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.

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Severity: Low
Title: exif: Denial of Service
Date: October 31, 2022
Bugs: #783522
ID: 202210-28

Topics%20covered

Topics Covered

security advisory denial of service security issue gentoo software update low severity exif

Synopsis

A vulnerability has been discovered in exif which could result in denial of service.

Background

libexif is a library for parsing, editing and saving Exif metadata from images. exif is a small command line interface for libexif.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 media-gfx/exif < 0.6.22 >= 0.6.22

Impact

===== A crafted JPEG image can trigger a denial of service in the form of a null pointer dereference.

Workaround

There is no known workaround at this time.

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