National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-16509 Detail

Current Description

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.

Source:  MITRE
Description Last Modified:  09/05/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.8


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 v2.0 Severity and Metrics:

Base Score: 9.3 HIGH
Vector: (AV:N/AC:M/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=5516c614dc33662a2afdc377159f70218e67bde5 Third Party Advisory
http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=78911a01b67d590b4a91afac2e8417360b934156 Third Party Advisory
http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=79cccf641486a6595c43f1de1cd7ade696020a31 Third Party Advisory
http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=520bb0ea7519aa3e79db78aaf0589dae02103764 Third Party Advisory
http://seclists.org/oss-sec/2018/q3/142 Exploit Mailing List Third Party Advisory
http://www.securityfocus.com/bid/105122 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:2918 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3760
https://bugs.ghostscript.com/show_bug.cgi?id=699654 Issue Tracking Permissions Required Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00015.html Mailing List Third Party Advisory
https://security.gentoo.org/glsa/201811-12
https://usn.ubuntu.com/3768-1/ Third Party Advisory
https://www.artifex.com/news/ghostscript-security-resolved/ Vendor Advisory
https://www.debian.org/security/2018/dsa-4294 Third Party Advisory
https://www.exploit-db.com/exploits/45369/ Exploit Third Party Advisory VDB Entry

Technical Details

Vulnerability Type (View All)

  • Permissions, Privileges, and Access Control (CWE-264)

Change History

10 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-16509
NVD Published Date:
09/05/2018
NVD Last Modified:
12/04/2018