#VU55921 Out-of-bounds read in Exiv2 - CVE-2021-29473
Published: August 17, 2021
Vulnerability identifier: #VU55921
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-29473
CWE-ID:
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Exiv2
Exiv2
Software vendor:
GNU
GNU
Description
The vulnerability allows a remote attacker to gain access to perform denial of service (DoS) attack.
The vulnerability exists due to a boundary condition when processing Exif, IPTC, XMP and ICC image metadata. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and crash the affected application.
Remediation
Install update from vendor's website.
External links
- https://github.com/Exiv2/exiv2/security/policy
- https://github.com/Exiv2/exiv2/security/advisories/GHSA-7569-phvm-vwc2
- https://github.com/github/advisory-review/pull/1587
- 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/JWZLDECIXXW3CCZ3RS4A3NG5X5VE4WZM/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LBKWLTXM7IKZ4PVGKLUQVAVFAYGGF7QR/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P2A5GMJEXQ5Q76JK6F6VKK5JYCLVFGKN/