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Incorrect Use of Privileged APIs Affecting ghostscript-x11 package, versions <0:9.25-5.el8_1.1

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 ID SNYK-RHEL8-GHOSTSCRIPTX11-3621768
  • published 26 Jul 2021
  • disclosed 14 Nov 2019
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Introduced: 14 Nov 2019

CVE-2019-14869 Open this link in a new tab
CWE-648 Open this link in a new tab

How to fix?

Upgrade RHEL:8 ghostscript-x11 to version 0:9.25-5.el8_1.1 or higher.
This issue was patched in RHSA-2019:3890.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ghostscript-x11 package and not the ghostscript-x11 package as distributed by RHEL. See How to fix? for RHEL:8 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.

References

CVSS Scores

version 3.1
Expand this section

NVD

8.8 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    Required
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
Expand this section

SUSE

7.3 high