CVE-2016-8602 Information

Description

The .sethalftone5 function in psi/zht2.c in Ghostscript before 9.21 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted Postscript document that calls .sethalftone5 with an empty operand stack.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=f5c7555c303 http://rhn.redhat.com/errata/RHSA-2017-0013.html http://rhn.redhat.com/errata/RHSA-2017-0014.html http://www.debian.org/security/2016/dsa-3691 http://www.openwall.com/lists/oss-security/2016/10/11/5 http://www.openwall.com/lists/oss-security/2016/10/11/7 http://www.securityfocus.com/bid/95311 https://bugs.ghostscript.com/show_bug.cgi?id=697203 https://bugzilla.redhat.com/show_bug.cgi?id=1383940 https://ghostscript.com/doc/9.21/History9.htm https://security.gentoo.org/glsa/201702-31

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8