Buffer overflow in Libtiff
CVE-2018-12900
Heap-based buffer overflow in the cpSeparateBufToContigBuf function in tiffcp.c in LibTIFF 3.9.3, 3.9.4, 3.9.5, 3.9.6, 3.9.7, 4.0.0beta7, 4.0.0alpha4, 4.0.0alpha5, 4.0.0alpha6, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.4beta, 4.0.5, 4.0.6, 4.0.7, 4.0.8 and 4.0.9 allows remote attackers to cause a denial of service (crash) or possibly have unspecified other impact via a crafted TIFF file.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.252 (97.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.252 · newest: 0.252 · change: 0.000
Affected products
- Libtiff — versions 4.0.9
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
Weakness classification (CWE)
References
- bugzilla.maptools.org/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)
- usn.ubuntu.com/3906-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3906-2/ (vendor-advisory)
- access.redhat.com/errata/RHSA-2019:2053 (vendor-advisory)
- access.redhat.com/errata/RHSA-2019:3419 (vendor-advisory)
- lists.debian.org/debian-lts-announce/2019/11/msg00027.html (mailing-list)
- www.debian.org/security/2020/dsa-4670 (vendor-advisory)
- github.com/Hack-Me/Pocs_for_Multi_Versions/tree/main/CVE-2018-12900
Frequently asked questions
- What is CVE-2018-12900?
- CVE-2018-12900 is a high-severity vulnerability in Libtiff, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2018-06-26.
- How severe is CVE-2018-12900?
- High severity. CVSS v3 base score is 8.8 out of 10.