Out-of-bounds read in GhostXPS - CVE-2017-9612
Published: October 2, 2017
Vulnerability identifier: #VU8642
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-9612
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Artifex Software, Inc.
Affected software:
GhostXPS
GhostXPS
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to boundary error in Ins_IP function in base/ttinterp.c. A remote unauthenticated attacker can create a specially crafted document, trigger heap-based out-o-bounds memory read and perform a denial of service (DoS) attack.
How to mitigate CVE-2017-9612
Install update from GIT repository.
http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=98f6da60b9d463c617e631fc254cf6d66f2e8e3c
http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=98f6da60b9d463c617e631fc254cf6d66f2e8e3c