REDHAT-BUG-1553531: Buffer Overflow
Published Mar 9, 2018
·Updated
zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the exec.c:hashcmd() function. A local attacker could exploit this to cause a denial of service.
Affected Software
1 affected component
Zsh zsh<5.4.2
Event History
Mar 9, 2018
Data Sourced
via Red Hat·02:18 AM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
What is the severity of REDHAT-BUG-1553531?
The severity of REDHAT-BUG-1553531 is categorized as a denial of service vulnerability.
2
How do I fix REDHAT-BUG-1553531?
To fix REDHAT-BUG-1553531, upgrade Zsh to a version higher than 5.4.2.
3
What versions of Zsh are affected by REDHAT-BUG-1553531?
Zsh versions up to and including 5.4.2 are affected by REDHAT-BUG-1553531.
4
Who can exploit the vulnerability identified as REDHAT-BUG-1553531?
Local attackers can exploit the vulnerability identified as REDHAT-BUG-1553531.
5
What type of vulnerability is REDHAT-BUG-1553531?
REDHAT-BUG-1553531 is a stack-based buffer overflow vulnerability.