Out-of-bounds read in Exiv2 - CVE-2021-29463
Published: December 22, 2023
Vulnerability identifier: #VU84710
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-29463
CWE-ID: CWE-125
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 perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition within Exiv2::WebPImage::doWriteMetadata(). A remote attacker can pass a specially crafted file to the application and perform a denial of service attack.
Remediation
Install update from vendor's website.
External links
- https://github.com/Exiv2/exiv2/commit/783b3a6ff15ed6f82a8f8e6c8a6f3b84a9b04d4b
- https://github.com/Exiv2/exiv2/security/advisories/GHSA-5p8g-9xf3-gfrr
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/K3HKXR6JOVKMBE4HY4FDXNVZGNCQG6T3/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NDMZTVQAZSMLPTDVDYLBHAAF7I5QXVYQ/