Vulnerability CVE-2016-2191
Published: 2016-04-13

Description:
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.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Optipng -> Optipng 
Opensuse -> LEAP 
Opensuse -> Opensuse 
Novell -> LEAP 
Novell -> Opensuse 
Debian -> Debian linux 
Canonical -> Ubuntu linux 

 References:
http://lists.opensuse.org/opensuse-updates/2016-04/msg00061.html
http://lists.opensuse.org/opensuse-updates/2016-04/msg00065.html
http://packetstormsecurity.com/files/136553/Optipng-Invalid-Write.html
http://seclists.org/fulldisclosure/2016/Apr/15
http://www.debian.org/security/2016/dsa-3546
http://www.openwall.com/lists/oss-security/2016/04/04/2
http://www.securityfocus.com/archive/1/537972/100/0/threaded
http://www.ubuntu.com/usn/USN-2951-1
https://security.gentoo.org/glsa/201608-01
https://sourceforge.net/p/optipng/bugs/59/
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