OS Command Injection in umount - #VU28109

 

OS Command Injection in umount - #VU28109

Published: May 20, 2020 / Updated: May 20, 2020


Vulnerability identifier: #VU28109
CSH Severity: High
CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to insufficient validation of devices values in input rules. A remote attacker can pass specially crafted device value to the application that passes it directly to an exec call on the umount function and execute arbitrary code on the system

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

umount

Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.


External References

Related Security Bulletins