#VU63326 NULL pointer dereference in LibTIFF - CVE-2022-0561
Published: May 17, 2022
Vulnerability identifier: #VU63326
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-0561
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
LibTIFF
LibTIFF
Software vendor:
LibTIFF
LibTIFF
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in the memcpy() function within TIFFFetchStripThing() in tif_dirread.c. A remote attacker can trick victim to open specially crafted TIFF file and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.
External links
- https://gitlab.com/freedesktop-sdk/mirrors/gitlab/libtiff/libtiff/-/commit/eecb0712f4c3a5b449f70c57988260a667ddbdef
- https://gitlab.com/libtiff/libtiff/-/issues/362
- https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-0561.json
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DZEHZ35XVO2VBZ4HHCMM6J6TQIDSBQOM/
- https://lists.debian.org/debian-lts-announce/2022/03/msg00001.html
- https://security.netapp.com/advisory/ntap-20220318-0001/
- https://www.debian.org/security/2022/dsa-5108