Out-of-bounds Read in Libtiff
CVE-2022-22844
LibTIFF 4.3.0 has an out-of-bounds read in _TIFFmemcpy in tif_unix.c in certain situations involving a custom tag and 0x0200 as the second word of the DE field.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.013 (69.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: -0.000
Affected products
- Libtiff — versions 4.3.0
- NetApp Ontap Select Deploy Administration Utility
- Debian Linux — versions 9.0, 10.0, 11.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- gitlab.com/libtiff/libtiff/-/issues/355 (Exploit, Third Party Advisory, Mitigation)
- gitlab.com/libtiff/libtiff/-/merge_requests/287 (Exploit, Third Party Advisory, Mitigation)
- lists.debian.org/debian-lts-announce/2022/03/msg00001.html (mailing-list, Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20220311-0002/ (Third Party Advisory)
- www.debian.org/security/2022/dsa-5108 (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/202210-10 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-22844?
- CVE-2022-22844 is a medium-severity vulnerability in Libtiff, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2022-01-10.
- How severe is CVE-2022-22844?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2022-22844 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.