Buffer overflow in Libtiff
CVE-2022-34526
A stack overflow was discovered in the _TIFFVGetField function of Tiffsplit v4.4.0. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted TIFF file parsed by the "tiffsplit" or "tiffcrop" utilities.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.019 (78.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.019 · change: +0.001
Affected products
- Libtiff — versions 4.4.0
- NetApp Active Iq Unified Manager
- NetApp Ontap Select Deploy Administration Utility
- Debian Linux — versions 10.0, 11.0
- Fedoraproject Fedora — versions 36
Weakness classification (CWE)
Public proof-of-concept exploits
References
- gitlab.com/libtiff/libtiff/-/issues/433 (Exploit, Patch, Third Party Advisory, Issue Tracking)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.netapp.com/advisory/ntap-20220930-0002/ (Third Party Advisory)
- gitlab.com/libtiff/libtiff/-/issues/486 (Exploit, Third Party Advisory, Issue Tracking)
- lists.debian.org/debian-lts-announce/2023/01/msg00018.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2023/dsa-5333 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-34526?
- CVE-2022-34526 is a medium-severity vulnerability in Libtiff, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2022-07-29.
- How severe is CVE-2022-34526?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2022-34526 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.