Buffer overflow in Simplesystems Libtiff
CVE-2020-19143
Buffer Overflow in LibTiff v4.0.10 allows attackers to cause a denial of service via the "TIFFVGetField" funtion in the component 'libtiff/tif_dir.c'.
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: 0.015 (72.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Simplesystems Libtiff — versions 4.0.10
- Debian Linux — versions 11.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.maptools.org/show_bug.cgi (Third Party Advisory, Issue Tracking)
- gitlab.com/libtiff/libtiff/-/issues/158 (Patch, Third Party Advisory, Issue Tracking)
- gitlab.com/libtiff/libtiff/-/merge_requests/119 (Patch, Third Party Advisory)
- security.netapp.com/advisory/ntap-20211004-0005/ (Third Party Advisory)
- www.debian.org/security/2021/dsa-4997 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-19143?
- CVE-2020-19143 is a medium-severity vulnerability in Simplesystems Libtiff, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2021-09-09.
- How severe is CVE-2020-19143?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2020-19143 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.