Public exploit available
Public proof-of-concept or exploit code exists (ExploitDB / Metasploit / Nuclei).

CVE-2018-17961 — Improper Cleanup on Thrown Exception in Ghostscript

CWE-460 — Improper Cleanup on Thrown ExceptionCWE-209 — Information Exposure via Error Message10 documents9 sources
Severity
8.6HIGHNVD
CNA7.8OSV7.8
EPSS
11.3%
top 6.44%
CISA KEV
Not in KEV
Exploit
PoC available
Public exploit / PoC exists
Affected products
9
Artifex GhostscriptCanonical Ubuntu LinuxDebian Linux+6 more
Timeline
PublishedOct 15
Latest updateMay 13

Description

Artifex Ghostscript 9.25 and earlier allows attackers to bypass a sandbox protection mechanism via vectors involving errorhandler setup. NOTE: this issue exists because of an incomplete fix for CVE-2018-17183.

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HExploitability: 1.8 | Impact: 6.0

Affected Packages5 packages

▶Debianartifex/ghostscript< 9.25~dfsg-3+3

Also affects: Debian Linux 8.0, 9.0, Ubuntu Linux 14.04, 16.04, 18.04, 18.10, Enterprise Linux 7.6

Patches

Patch: bugs.chromium.org ↗Patch: bugs.chromium.org ↗

🔴Vulnerability Details

3
GHSA
GHSA-6j45-cc69-5jv8: Artifex Ghostscript 9↗2022-05-13
▶
OSV
CVE-2018-17961: Artifex Ghostscript 9↗2018-10-15
▶
CVEList
CVE-2018-17961: Artifex Ghostscript 9↗2018-10-15
▶

💥Exploits & PoCs

1
Exploit-DB
ghostscript - executeonly Bypass with errorhandler Setup↗2018-10-09
▶

📋Vendor Advisories

3
Ubuntu
Ghostscript vulnerabilities↗2018-10-30
▶
Red Hat
ghostscript: Saved execution stacks can leak operator arrays (incomplete fix for CVE-2018-17183)↗2018-10-10
▶
Debian
CVE-2018-17961: ghostscript - Artifex Ghostscript 9.25 and earlier allows attackers to bypass a sandbox protec...↗2018
▶

💬Community

2
Bugzilla
CVE-2018-17961 ghostscript: saved execution stacks can leak operator arrays (incomplete fix for CVE-2018-17183) [fedora-all]↗2018-10-24
▶
Bugzilla
CVE-2018-17961 ghostscript: Saved execution stacks can leak operator arrays (incomplete fix for CVE-2018-17183)↗2018-10-24
▶
CVE-2018-17961 — Improper Cleanup on Thrown Exception | cvebase