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CVE-2018-16509

Status Candidate

Overview

An issue was discovered in Artifex Ghostscript before 9.24. Incorrect "restoration of privilege" checking during handling of /invalidaccess exceptions could be used by attackers able to supply crafted PostScript to execute code using the "pipe" instruction.

Related Files

Red Hat Security Advisory 2018-3760-01
Posted Dec 4, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-3760-01 - The Ghostscript suite contains utilities for rendering PostScript and PDF documents. Ghostscript translates PostScript code to common bitmap formats so that the code can be displayed or printed. Issues addressed include a bypass vulnerability.

tags | advisory, bypass
systems | linux, redhat
advisories | CVE-2018-16509
MD5 | aae7b665d40c5fe9ba0152475b374da5
Gentoo Linux Security Advisory 201811-12
Posted Nov 24, 2018
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201811-12 - Multiple vulnerabilities have been found in GPL Ghostscript, the worst of which could result in the execution of arbitrary code. Versions prior to 9.26 are affected.

tags | advisory, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2017-11714, CVE-2017-7948, CVE-2017-9610, CVE-2017-9611, CVE-2017-9612, CVE-2017-9618, CVE-2017-9619, CVE-2017-9620, CVE-2017-9726, CVE-2017-9727, CVE-2017-9739, CVE-2017-9740, CVE-2017-9835, CVE-2018-10194, CVE-2018-15908, CVE-2018-15909, CVE-2018-15910, CVE-2018-15911, CVE-2018-16509, CVE-2018-16510, CVE-2018-16511, CVE-2018-16513, CVE-2018-16539, CVE-2018-16540, CVE-2018-16541, CVE-2018-16542, CVE-2018-16543
MD5 | f0a3d2703790af5e30aed7740e306f75
Red Hat Security Advisory 2018-2918-01
Posted Oct 16, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2918-01 - The Ghostscript suite contains utilities for rendering PostScript and PDF documents. Ghostscript translates PostScript code to common bitmap formats so that the code can be displayed or printed. Issues addressed include a bypass vulnerability.

tags | advisory, bypass
systems | linux, redhat
advisories | CVE-2018-10194, CVE-2018-15910, CVE-2018-16509, CVE-2018-16542
MD5 | 85c6890dafacafbf2a1a41398af4739c
Debian Security Advisory 4294-1
Posted Sep 17, 2018
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4294-1 - Tavis Ormandy discovered multiple vulnerabilites in Ghostscript, an interpreter for the PostScript language, which could result in the execution of arbitrary code if a malformed Postscript file is processed (despite the dSAFER sandbox being enabled).

tags | advisory, arbitrary
systems | linux, debian
advisories | CVE-2018-16509, CVE-2018-16802
MD5 | 5536e1e864054d6f82660441d74f9e19
Slackware Security Advisory - ghostscript Updates
Posted Sep 14, 2018
Authored by Slackware Security Team | Site slackware.com

Slackware Security Advisory - New ghostscript packages are available for Slackware 14.2 and -current to fix security issues.

tags | advisory
systems | linux, slackware
advisories | CVE-2018-16509
MD5 | c7cf1534fe66bdfbfa621895e3534502
Ghostscript Failed Restore Command Execution
Posted Sep 6, 2018
Authored by Tavis Ormandy, wvu | Site metasploit.com

This Metasploit module exploits a -dSAFER bypass in Ghostscript to execute arbitrary commands by handling a failed restore (grestore) in PostScript to disable LockSafetyParams and avoid invalidaccess. This vulnerability is reachable via libraries such as ImageMagick, and this module provides the latest vector for Ghostscript.

tags | exploit, arbitrary
advisories | CVE-2018-16509
MD5 | e1336336af62bb506d362910f0cca41f
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