Vulnerability Details : CVE-2016-2191
Potential exploit
The bmp_read_rows function in pngxtern/pngxrbmp.c in OptiPNG before 0.7.6 allows remote attackers to cause a denial of service (invalid memory write and crash) via a series of delta escapes in a crafted BMP image.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2016-2191
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
- cpe:2.3:a:optipng:optipng:0.7.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-2191
0.77%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 72 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-2191
| 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:3.0/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-2016-2191
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-2191
-
https://sourceforge.net/p/optipng/bugs/59/
OptiPNG / Bugs / #59 Invalid write in optipng 0.7.5Patch
-
http://packetstormsecurity.com/files/136553/Optipng-Invalid-Write.html
Optipng Invalid Write ≈ Packet StormExploit
-
http://seclists.org/fulldisclosure/2016/Apr/15
Full Disclosure: CVE-2016-2191: optipng: invalid writeThird Party Advisory
-
http://lists.opensuse.org/opensuse-updates/2016-04/msg00061.html
openSUSE-SU-2016:1078-1: moderate: Security update for optipngThird Party Advisory
-
http://www.openwall.com/lists/oss-security/2016/04/04/2
oss-security - CVE-2016-2191: optipng: invalid writeThird Party Advisory
-
http://lists.opensuse.org/opensuse-updates/2016-04/msg00065.html
openSUSE-SU-2016:1082-1: moderate: Security update for optipngThird Party Advisory
-
http://www.ubuntu.com/usn/USN-2951-1
USN-2951-1: OptiPNG vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://security.gentoo.org/glsa/201608-01
OptiPNG: Multiple vulnerabilities (GLSA 201608-01) — Gentoo security
-
http://www.securityfocus.com/archive/1/537972/100/0/threaded
SecurityFocus
-
http://www.debian.org/security/2016/dsa-3546
Debian -- Security Information -- DSA-3546-1 optipngThird Party Advisory
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