Out-of-bounds Read in Libtiff
CVE-2023-0797
LibTIFF 4.4.0 has an out-of-bounds read in tiffcrop in libtiff/tif_unix.c:368, invoked by tools/tiffcrop.c:2903 and tools/tiffcrop.c:6921, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit afaabc3e.
Vulnerability class: Buffer Overflow
EPSS: 0.004 (34.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H.
Affected products
- Libtiff — versions <=4.4.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@gitlab.com (Patch)
- cve@gitlab.com (Exploit, Patch, Issue Tracking, Vendor Advisory)
- cve@gitlab.com (VDB Entry)
- cve@gitlab.com (mailing-list)
- cve@gitlab.com (vendor-advisory)
- cve@gitlab.com (vendor-advisory)
Frequently asked questions
- What is CVE-2023-0797?
- CVE-2023-0797 is a medium-severity vulnerability in Libtiff, classified under Out-of-bounds Read. CVSS score: 6.8/10. Published 2023-02-13.
- How severe is CVE-2023-0797?
- Medium severity. CVSS v3 base score is 6.8 out of 10.
- Is CVE-2023-0797 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.