#VU251 Incorrect handling of environment files in OpenSSH - CVE-2015-8325

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Main Vulnerability Database Vulnerabilities #VU251

#VU251 Incorrect handling of environment files in OpenSSH - CVE-2015-8325

Published: August 2, 2016 / Updated: August 22, 2016


Vulnerability identifier: #VU251
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U/U:Clear
CVE-ID: CVE-2015-8325
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
OpenSSH
Software vendor:
OpenSSH

Description

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists in portable version of OpenSSH. A local user can execute arbitrary code as root by setting specially crafted environment variables to conduct attacks against the 'bin/login' process on systems, where PAM is configured to read user-specified environment variables and 'sshd_config' is set to 'UseLogin=yes'.

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



Remediation

Install the latest version of OpenSSH 7.3.

External links