SARA / Free Tools / CVE / CVE-2018-17961

CVE-2018-17961 — Artifex Ghostscript 9

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

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EPSS

11.33% (top 6.50%)

CWE

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Published

2018-10-15T16:00:00.000Z

Last modified

2024-08-05T11:01:14.717Z

CVSS vector

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01What is this vulnerability?

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

CVE-2018-17183

Cited in vendor advisory

08Timeline

Published: 2018-10-15T16:00:00.000Z
Last modified: 2024-08-05T11:01:14.717Z

09References

git.ghostscript.com — http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=a5a9bf8c6a63
www.openwall.com — http://www.openwall.com/lists/oss-security/2018/10/09/4
git.ghostscript.com — http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=a6807394bd94
bugs.ghostscript.com — https://bugs.ghostscript.com/show_bug.cgi?id=699816
access.redhat.com — https://access.redhat.com/errata/RHSA-2018:3834
git.ghostscript.com — http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=a54c9e61e7d0
usn.ubuntu.com — https://usn.ubuntu.com/3803-1/
www.debian.org — https://www.debian.org/security/2018/dsa-4336
lists.debian.org — https://lists.debian.org/debian-lts-announce/2018/10/msg00013.html
www.exploit-db.com — https://www.exploit-db.com/exploits/45573/
bugs.chromium.org — https://bugs.chromium.org/p/project-zero/issues/detail?id=1682&desc=2

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