Home/CVE/An issue was discovered in Artifex Ghostscript before 9.24. Incorrect "restoration of privilege" checking during handlin
CVE

CVE-2018-16509

An issue was discovered in Artifex Ghostscript before 9.24. Incorrect "restoration of privilege" checking during handlin

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.

HIGH · CVSS 7.8 EPSS 0.9181
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 0% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
▤

Affected Products & Versions

8
debian linuxall versions
artifex ghostscript< 9.24
canonical ubuntu linuxall versions
redhat enterprise linux desktopall versions
redhat enterprise linux serverall versions
redhat enterprise linux server eusall versions
redhat enterprise linux workstationall versions
artifex gpl ghostscript< 9.26
⚠

Public Exploits & PoCs

2
localGhostscript - Failed Restore Command Execution (Metasploit)verified
pocwww.exploit-db.com · 45369www.exploit-db.com
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 Sep 2018 · 06:29 AM
CVSS VectorCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

24
suse-csafopenSUSE-SU-2024:10783-1
rhsaRHSA-2019:2534Low
rhsaRHSA-2020:0222Important
rhsaRHSA-2019:3890Important
rhsaRHSA-2019:3888Important
🔗

References & Sources

12
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://git.ghostscript.com/?p=ghostpdl.git
http://git.ghostscript.com/?p=ghostpdl.git
http://git.ghostscript.com/?p=ghostpdl.git
http://git.ghostscript.com/?p=ghostpdl.git
http://seclists.org/oss-sec/2018/q3/142ExploitMailing ListThird Party Advisory
http://www.securityfocus.com/bid/105122Third Party AdvisoryVDB Entry
Intelligence Graph · click any node to traverse
CVETechnique ActorTool Family
drag to reposition · click any node to traverse · button top-right enlarges
External lookups - second-class, for what we don’t hold ourselves
NVDCVE.orgCISAVulnersExploit-DBGitHub PoCVulnCheck KEVGreyNoise
Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities
Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs
Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures
Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1
About
All capabilities
Live statistics
Data sources
Privacy policy
Terms of service
threatengine.sh  ·  Open-source threat intelligence platform  ·  100+ authoritative sources  ·  Every fact traces to its origin