Published: 28/08/2018 Updated: 07/11/2023

CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6

CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8

VMScore: 605

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

In Artifex Ghostscript 9.23 prior to 2018-08-24, attackers able to supply crafted PostScript could use uninitialized memory access in the aesdecode operator to crash the interpreter or potentially execute code.

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debian debian linux 8.0
debian debian linux 9.0
canonical ubuntu linux 16.04
canonical ubuntu linux 14.04
canonical ubuntu linux 18.04
artifex ghostscript
artifex gpl ghostscript
redhat enterprise linux desktop 7.0
redhat enterprise linux workstation 7.0
redhat enterprise linux server 7.0
redhat enterprise linux server tus 7.6
redhat enterprise linux server eus 7.6
redhat enterprise linux server aus 7.6
pulsesecure pulse connect secure

Synopsis Important: ghostscript security and bug fix update Type/Severity Security Advisory: Important Topic An update for ghostscript is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring Syste ...

Several security issues were fixed in Ghostscript ...

It was discovered that the ghostscript shfill operator did not properly validate certain types An attacker could possibly exploit this to bypass the -dSAFER protection and crash ghostscript or, possibly, execute arbitrary code in the ghostscript context via a specially crafted PostScript document(CVE-2018-15909) An issue was discovered in Artife ...

It was discovered that ghostscript did not properly verify the key used in aesdecode An attacker could possibly exploit this to bypass the -dSAFER protection and crash ghostscript or, possibly, execute arbitrary code in the ghostscript context via a specially crafted PostScript document ...

CWE-908 https://www.kb.cert.org/vuls/id/332928 https://bugs.ghostscript.com/show_bug.cgi?id=699665 https://www.debian.org/security/2018/dsa-4288 https://lists.debian.org/debian-lts-announce/2018/09/msg00015.html https://usn.ubuntu.com/3768-1/http://www.securityfocus.com/bid/105122 https://security.gentoo.org/glsa/201811-12 https://access.redhat.com/errata/RHSA-2018:3834 https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101 http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=8e9ce5016db968b40e4ec255a3005f2786cce45f https://support.f5.com/csp/article/K22141757?utm_source=f5support&%3Butm_medium=RSS https://access.redhat.com/errata/RHSA-2018:3834 https://nvd.nist.gov https://usn.ubuntu.com/3768-1/

CVE-2018-15911

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