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CVE
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CVE-2018-16509Date: (C)2018-09-10   (M)2023-12-22


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 7.8CVSS Score : 9.3
Exploit Score: 1.8Exploit Score: 8.6
Impact Score: 5.9Impact Score: 10.0
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: MEDIUM
Privileges Required: NONEAuthentication: NONE
User Interaction: REQUIREDConfidentiality: COMPLETE
Scope: UNCHANGEDIntegrity: COMPLETE
Confidentiality: HIGHAvailability: COMPLETE
Integrity: HIGH 
Availability: HIGH 
  
Reference:
BID-105122
EXPLOIT-DB-45369
DSA-4294
GLSA-201811-12
RHSA-2018:2918
RHSA-2018:3760
USN-3768-1
https://lists.debian.org/debian-lts-announce/2018/09/msg00015.html
http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=5516c614dc33662a2afdc377159f70218e67bde5
http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=78911a01b67d590b4a91afac2e8417360b934156
http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=79cccf641486a6595c43f1de1cd7ade696020a31
http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=520bb0ea7519aa3e79db78aaf0589dae02103764
http://seclists.org/oss-sec/2018/q3/142
https://bugs.ghostscript.com/show_bug.cgi?id=699654
https://www.artifex.com/news/ghostscript-security-resolved/

CPE    11
cpe:/o:debian:debian_linux:9.0
cpe:/o:debian:debian_linux:8.0
cpe:/o:canonical:ubuntu_linux:18.04::~~lts~~~
cpe:/o:redhat:enterprise_linux_server:6.0
...
OVAL    19
oval:org.secpod.oval:def:89002514
oval:org.secpod.oval:def:204890
oval:org.secpod.oval:def:89002267
oval:org.secpod.oval:def:89002407
...

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