CVE-2021-3781
Last modified
CVE-2021-3781 is a critical-severity vulnerability rated 9.9/10 on the CVSS scale. A trivial sandbox (enabled with the `-dSAFER` option) escape flaw was found in the ghostscript interpreter by injecting a specially crafted pipe command. This flaw allows a specially crafted document to execute arbitrary commands on the system in the context of the ghostscript interpreter. EPSS estimates a 83.91% chance of exploitation in the next 30 days.
Description
A trivial sandbox (enabled with the `-dSAFER` option) escape flaw was found in the ghostscript interpreter by injecting a specially crafted pipe command. This flaw allows a specially crafted document to execute arbitrary commands on the system in the context of the ghostscript interpreter. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Artifex | Ghostscript | 9.50 |
| Artifex | Ghostscript | 9.52 |
| Artifex | Ghostscript | 9.53.3 |
| Artifex | Ghostscript | 9.54.0 |
| Fedoraproject | Fedora | 34 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2002271Issue Tracking, Patch, Third Party Advisory
- https://ghostscript.com/CVE-2021-3781.htmlPatch, Vendor Advisory
- https://security.gentoo.org/glsa/202211-11Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2002271Issue Tracking, Patch, Third Party Advisory
- https://ghostscript.com/CVE-2021-3781.htmlPatch, Vendor Advisory
- https://security.gentoo.org/glsa/202211-11Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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