Stack-based buffer overflow in zsh - CVE-2018-1100
Published: April 11, 2018 / Updated: April 12, 2018
Vulnerability identifier: #VU11771
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-1100
CWE-ID: CWE-121
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: SourceForge
Affected software:
zsh
zsh
Detailed vulnerability description
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The vulnerability exists due to stack-based buffer overflow in the utils.c:checkmailpath function. A local attacker can trigger memory corruption and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2018-1100
Install update from vendor's website.