CVE-2021-3482 Information

Description

A flaw was found in Exiv2 in versions before and including 0.27.4-RC1. Improper input validation of the rawData.size property in Jp2Image::readMetadata() in jp2image.cpp can lead to a heap-based buffer overflow via a crafted JPG image containing malicious EXIF data.

CVSS Vector

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

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=1946314 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2XQT5F5IINTDYDAFGVGQZ7PMMLG7I5ZZ/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P2A5GMJEXQ5Q76JK6F6VKK5JYCLVFGKN/ https://www.debian.org/security/2021/dsa-4958 https://lists.debian.org/debian-lts-announce/2021/08/msg00028.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

NONE

Base Score

LOW

Base Severity

6.5