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CVE-2018-16509

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Date: September 5, 2018

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.

Language: C

Severity Score

Related Resources (20)

https://lists.debian.org/debian-lts-announce/2018/09/msg00015.html
http://www.securityfocus.com/bid/105122
http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=520bb0ea7519aa3e79db78aaf0589dae02103764
https://security.gentoo.org/glsa/201811-12
https://usn.ubuntu.com/3768-1/
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-16509
https://www.artifex.com/news/ghostscript-security-resolved/
https://nvd.nist.gov/vuln/detail/CVE-2018-16509
https://security-tracker.debian.org/tracker/CVE-2018-16509
http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=78911a01b67d590b4a91afac2e8417360b934156
https://access.redhat.com/errata/RHSA-2018:2918
http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=5516c614dc33662a2afdc377159f70218e67bde5
https://www.debian.org/security/2018/dsa-4294
https://bugs.ghostscript.com/show_bug.cgi?id=699654
http://seclists.org/oss-sec/2018/q3/142
https://access.redhat.com/security/cve/CVE-2018-16509
http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=79cccf641486a6595c43f1de1cd7ade696020a31
https://www.exploit-db.com/exploits/45369/
https://access.redhat.com/errata/RHSA-2018:3760
https://www.mend.io/vulnerability-database/CVE-2018-16509

Severity Score

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

Insufficient Information

NVD-CWE-noinfo

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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