CVE-2018-15911

Impact:
Moderate
Public Date:
2018-09-06
CWE:
CWE-456
Bugzilla:
1625832: CVE-2018-15911 ghostscript: Uninitialized memory access in the aesdecode operator (699665)
It was discovered that ghostscript did not properly verify the key used in aesdecode. An attacker could possibly exploit this to bypass the -dSAFER protection and crash ghostscript or, possibly, execute arbitrary code in the ghostscript context via a specially crafted PostScript document.

Find out more about CVE-2018-15911 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue did affect the versions of ghostscript as shipped with Red Hat Enterprise Linux 5, 6, and 7.

Red Hat Enterprise Linux 6 is now in Maintenance Support 2 Phase of the support and maintenance life cycle. This has been rated as having a security impact of Moderate, and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

Red Hat Enterprise Linux 5 is now in Extended Life Phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

CVSS v3 metrics

CVSS3 Base Score 7.3
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity Impact Low
Availability Impact Low

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (ghostscript) RHSA-2018:3834 2018-12-17

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 8 ghostscript Not affected
Red Hat Enterprise Linux 6 ghostscript Will not fix
Red Hat Enterprise Linux 5 ghostscript Will not fix

Mitigation

Please refer to the "Mitigation" section of CVE-2018-16509 : https://access.redhat.com/security/cve/cve-2018-16509

External References

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