Out-of-bounds Read in Libtiff
CVE-2022-1623
LibTIFF master branch has an out-of-bounds read in LZWDecode in libtiff/tif_lzw.c:624, 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 b4e79bfa.
Vulnerability class: Buffer Overflow
EPSS: 0.013 (66.5th 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 4.3.0, 3079627ea0dee150e6a208cec8381de611bb842b
- Netapp Ontap_select_deploy_administration_utility
- Debian Debian_linux — versions 11.0
- Fedoraproject Fedora — versions 35, 36
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@gitlab.com (Exploit, Third Party Advisory)
- cve@gitlab.com (Patch, Third Party Advisory)
- cve@gitlab.com (Third Party Advisory)
- cve@gitlab.com (Third Party Advisory)
- cve@gitlab.com (vendor-advisory)
- cve@gitlab.com (vendor-advisory)
- cve@gitlab.com (vendor-advisory, Third Party Advisory)
- cve@gitlab.com (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-1623?
- CVE-2022-1623 is a medium-severity vulnerability in Libtiff, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2022-05-11.
- How severe is CVE-2022-1623?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2022-1623 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.