Vulnerability Details : CVE-2017-16938
A global buffer overflow in OptiPNG 0.7.6 allows remote attackers to cause a denial-of-service attack or other unspecified impact with a maliciously crafted GIF format file, related to an uncontrolled loop in the LZWReadByte function of the gifread.c file.
Vulnerability category: OverflowDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2017-16938
Probability of exploitation activity in the next 30 days: 0.59%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 78 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2017-16938
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST |
|
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2017-16938
-
The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-16938
-
https://security.gentoo.org/glsa/201801-02
OptiPNG: Multiple vulnerabilities (GLSA 201801-02) — Gentoo security
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https://lists.debian.org/debian-lts-announce/2017/11/msg00042.html
[SECURITY] [DLA 1196-1] optipng security update
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https://sourceforge.net/p/optipng/bugs/69/
OptiPNG / Bugs / #69 global-buffer-overflow bug while parsing GIF filePatch;Third Party Advisory
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https://www.debian.org/security/2017/dsa-4058
Debian -- Security Information -- DSA-4058-1 optipng
Products affected by CVE-2017-16938
- cpe:2.3:a:optipng_project:optipng:0.7.6:*:*:*:*:*:*:*