Vulnerability Details : 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 category: OverflowMemory CorruptionDenial of service
Products affected by CVE-2020-19143
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
- cpe:2.3:a:simplesystems:libtiff:4.0.10:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-19143
0.97%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 75 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-19143
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2020-19143
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-19143
-
https://security.netapp.com/advisory/ntap-20211004-0005/
September 2021 LibTIFF Vulnerabilities in NetApp Products | NetApp Product SecurityThird Party Advisory
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http://bugzilla.maptools.org/show_bug.cgi?id=2851
Bug 2851 – there is a global-buffer-overflow in libtiff-4.0.10 in libtiff/tif_dir.c:1116Issue Tracking;Third Party Advisory
-
https://www.debian.org/security/2021/dsa-4997
Debian -- Security Information -- DSA-4997-1 tiffThird Party Advisory
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https://gitlab.com/libtiff/libtiff/-/merge_requests/119
TIFFTAG_PREDICTOR is not supported for WebP (!119) · Merge requests · libtiff / libtiff · GitLabPatch;Third Party Advisory
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https://gitlab.com/libtiff/libtiff/-/issues/158
[BZ#2851] there is a global-buffer-overflow in libtiff-4.0.10 in libtiff/tif_dir.c:1116 (#158) · Issues · libtiff / libtiff · GitLabIssue Tracking;Patch;Third Party Advisory
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