Buffer overflow in Libtiff
CVE-2022-3627
LibTIFF 4.4.0 has an out-of-bounds write in _TIFFmemcpy in libtiff/tif_unix.c:346 when called from extractImageSection, tools/tiffcrop.c:6860, 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 236b7191.
Vulnerability class: Buffer Overflow
EPSS: 0.010 (59.8th 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 — versions <=4.4.0
- Netapp Active_iq_unified_manager
- Debian Debian_linux — versions 10.0, 11.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@gitlab.com (Patch)
- cve@gitlab.com (Exploit, Patch, Third Party Advisory)
- cve@gitlab.com (VDB Entry, Third Party Advisory)
- cve@gitlab.com (Third Party Advisory)
- cve@gitlab.com (mailing-list, Third Party Advisory)
- cve@gitlab.com (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-3627?
- CVE-2022-3627 is a medium-severity vulnerability in Libtiff, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2022-10-21.
- How severe is CVE-2022-3627?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2022-3627 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.