Out-of-bounds Read in Libtiff
CVE-2022-2869
libtiff's tiffcrop tool has a uint32_t underflow which leads to out of bounds read and write in the extractContigSamples8bits routine. An attacker who supplies a crafted file to tiffcrop could trigger this flaw, most likely by tricking a user into opening the crafted file with tiffcrop. Triggering this flaw could cause a crash or potentially further exploitation.
EPSS: 0.003 (23.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Libtiff
- Debian Debian_linux — versions 10.0, 11.0
- Fedoraproject Fedora — versions 35, 36
- N/a Libtiff — versions libtiff 4.4.0rc1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Patch, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (mailing-list, Mailing List, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-2869?
- CVE-2022-2869 is a medium-severity vulnerability in Libtiff, classified under Integer Underflow. CVSS score: 5.5/10. Published 2022-08-17.
- How severe is CVE-2022-2869?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2022-2869 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.