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
EPSS: 0.015 (70.8th percentile) — read the EPSS interpretation.
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.
Affected products
- Simplesystems Libtiff — versions 4.0.10
- Debian Debian_linux — versions 11.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
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.