Incorrect Use of Privileged APIs Affecting libgs package, versions <0:9.25-2.el7_7.3


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.64% (80th percentile)

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  • Snyk IDSNYK-RHEL7-LIBGS-8009925
  • published17 Sept 2024
  • disclosed14 Nov 2019

Introduced: 14 Nov 2019

CVE-2019-14869  (opens in a new tab)
CWE-648  (opens in a new tab)

How to fix?

Upgrade RHEL:7 libgs to version 0:9.25-2.el7_7.3 or higher.
This issue was patched in RHSA-2019:3888.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libgs package and not the libgs package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

A flaw was found in all versions of ghostscript 9.x before 9.50, where the .charkeys procedure, where it did not properly secure its privileged calls, enabling scripts to bypass -dSAFER restrictions. An attacker could abuse this flaw by creating a specially crafted PostScript file that could escalate privileges within the Ghostscript and access files outside of restricted areas or execute commands.

CVSS Scores

version 3.1