Use After Free Affecting ghostscript package, versions <0:9.06-8.amzn2.0.5


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.21% (60th percentile)

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  • Snyk IDSNYK-AMZN2-GHOSTSCRIPT-1665920
  • published27 Sept 2021
  • disclosed5 Sept 2018

Introduced: 5 Sep 2018

CVE-2018-16540  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 ghostscript to version 0:9.06-8.amzn2.0.5 or higher.
This issue was patched in ALAS2-2018-1088.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ghostscript package and not the ghostscript package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

In Artifex Ghostscript before 9.24, attackers able to supply crafted PostScript files to the builtin PDF14 converter could use a use-after-free in copydevice handling to crash the interpreter or possibly have unspecified other impact.