CVE-2021-32815 Information

Description

Exiv2 is a command-line utility and C++ library for reading writing deleting and modifying the metadata of image files. The assertion failure is triggered when Exiv2 is used to modify the metadata of a crafted image file. An attacker could potentially exploit the vulnerability to cause a denial of service if they can trick the victim into running Exiv2 on a crafted image file. Note that this bug is only triggered when modifying the metadata which is a less frequently used Exiv2 operation than reading the metadata. For example to trigger the bug in the Exiv2 command-line application you need to add an extra command-line argument such as fi. Patches The bug is fixed in version v0.27.5. References Regression test and bug fix: 1739 For more information Please see our security policy for information about Exiv2 security.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Reference

https://github.com/Exiv2/exiv2/security/advisories/GHSA-mv9g-fxh2-m49m https://github.com/Exiv2/exiv2/pull/1739 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FMDT4PJB7P43WSOM3TRQIY3J33BAFVVE/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UYGDELIFFJWKUU7SO3QATCIXCZJERGAC/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5