CVE Vulnerability

CVE-2018-7548

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

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://sourceforge.net/p/zsh/code/ci/110b13e1090bc31ac1352b28adc2d02b6d25a102 Patch Third Party Advisory
https://usn.ubuntu.com/3593-1/ Third Party Advisory
https://security.gentoo.org/glsa/201805-10 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:zsh:zsh:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
Information

Published : 2018-02-27 10:29

Updated : 2019-03-05 06:30

NVD link : CVE-2018-7548

Mitre link : CVE-2018-7548

Products Affected
No products.
CWE
CWE-476