CVE-2018-7548

Impact:
Low
Public Date:
2017-03-24
CWE:
CWE-476
Bugzilla:
1549841: CVE-2018-7548 zsh: null-pointer deref when using ${(PA)...} on an empty array result

The MITRE CVE dictionary describes this issue as:

In subst.c in zsh through 5.4.2, there is a NULL pointer dereference when using ${(PA)...} on an empty array result.

Find out more about CVE-2018-7548 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 2.8
CVSS3 Base Metrics CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact Low

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 8 zsh Not affected
Red Hat Enterprise Linux 7 zsh Not affected
Red Hat Enterprise Linux 6 zsh Not affected
Red Hat Enterprise Linux 5 zsh Not affected
Last Modified

CVE description copyright © 2017, The MITRE Corporation