Out-of-bounds Read in Libtiff
CVE-2023-0795
LibTIFF 4.4.0 has an out-of-bounds read in tiffcrop in tools/tiffcrop.c:3488, 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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (34.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Libtiff — versions <=4.4.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- gitlab.com/libtiff/libtiff/-/issues/493 (Exploit, Patch, Issue Tracking, Vendor Advisory)
- gitlab.com/libtiff/libtiff/-/commit/afaabc3e50d4e5d80a94143f7e3c997e7e410f68 (Patch)
- gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0795.json (VDB Entry)
- lists.debian.org/debian-lts-announce/2023/02/msg00026.html (mailing-list)
- www.debian.org/security/2023/dsa-5361 (vendor-advisory)
- security.netapp.com/advisory/ntap-20230316-0003/
- security.gentoo.org/glsa/202305-31 (vendor-advisory)
Frequently asked questions
- What is CVE-2023-0795?
- CVE-2023-0795 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-2023-0795?
- Medium severity. CVSS v3 base score is 6.8 out of 10.
- Is CVE-2023-0795 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.