VulnerabilityModified
CVE-2018-16509
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.
HIGH 7.8EPSS 92.5%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 92.5%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 92.50% probability · 100th percentile
- CISA KEV
- Not listed
- Affected
- debian/debian linux · artifex/ghostscript · canonical/ubuntu linux · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux server eus · redhat/enterprise linux workstation · artifex/gpl ghostscript
- Source
- cve@mitre.org
References
- 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/q3/142Exploit, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/105122Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:2918Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3760Third Party Advisory
- https://bugs.ghostscript.com/show_bug.cgi?id=699654Issue Tracking, Permissions Required, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00015.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201811-12Third Party Advisory
- 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-4294Third Party Advisory
- https://www.exploit-db.com/exploits/45369/Exploit, Third Party Advisory, VDB Entry
- 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/q3/142Exploit, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/105122Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:2918Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3760Third Party Advisory
- https://bugs.ghostscript.com/show_bug.cgi?id=699654Issue Tracking, Permissions Required, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00015.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201811-12Third Party Advisory
- 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-4294Third Party Advisory
- https://www.exploit-db.com/exploits/45369/Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.