Vulnerability CVE-2016-9601
Published: 2018-04-23   Modified: 2018-04-24

Description:
ghostscript before version 9.21 is vulnerable to a heap based buffer overflow that was found in the ghostscript jbig2_decode_gray_scale_image function which is used to decode halftone segments in a JBIG2 image. A document (PostScript or PDF) with an embedded, specially crafted, jbig2 image could trigger a segmentation fault in ghostscript.

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
Debian -> Debian linux 
Artifex -> Gpl ghostscript 
Artifex -> Jbig2dec 

 References:
http://git.ghostscript.com/?p=jbig2dec.git;a=commit;h=e698d5c11d27212aa1098bc5b1673a3378563092
http://www.securityfocus.com/bid/97095
https://bugs.ghostscript.com/show_bug.cgi?id=697457
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9601
https://security.gentoo.org/glsa/201706-24
https://www.debian.org/security/2017/dsa-3817
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