Integer overflow in Libtiff
CVE-2018-17100
An issue was discovered in LibTIFF 4.0.9. There is a int32 overflow in multiply_ms in tools/ppm2tiff.c, which can cause a denial of service (crash) or possibly have unspecified other impact via a crafted image file.
Vulnerability class: Integer 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: 0.025 (83.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000
Affected products
- Libtiff — versions 4.0.9
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
- Debian Linux — versions 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- usn.ubuntu.com/3864-1/ (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2018/10/msg00019.html (mailing-list, Mailing List, Third Party Advisory)
- bugzilla.maptools.org/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- gitlab.com/libtiff/libtiff/merge_requests/33/diffs (Patch, Third Party Advisory)
- usn.ubuntu.com/3906-2/ (vendor-advisory)
- access.redhat.com/errata/RHSA-2019:2053 (vendor-advisory)
- www.debian.org/security/2020/dsa-4670 (vendor-advisory)
Frequently asked questions
- What is CVE-2018-17100?
- CVE-2018-17100 is a high-severity vulnerability in Libtiff, classified under Integer Overflow or Wraparound. CVSS score: 8.8/10. Published 2018-09-16.
- How severe is CVE-2018-17100?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2018-17100 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.