Vulnerability CVE-2015-8668
Published: 2016-01-08

Description:
Heap-based buffer overflow in the PackBitsPreEncode function in tif_packbits.c in bmp2tiff in libtiff 4.0.6 and earlier allows remote attackers to execute arbitrary code or cause a denial of service via a large width field in a BMP image.

See advisories in our WLB2 database:
Topic
Author
Date
High
libtiff bmp file Heap Overflow
riusksk
29.12.2015

Type:

CWE-119

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

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Libtiff project -> Libtiff 
Libtiff -> Libtiff 

 References:
http://packetstormsecurity.com/files/135080/libtiff-4.0.6-Heap-Overflow.html
http://rhn.redhat.com/errata/RHSA-2016-1546.html
http://rhn.redhat.com/errata/RHSA-2016-1547.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
http://www.securityfocus.com/archive/1/537208/100/0/threaded
https://security.gentoo.org/glsa/201701-16
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