Vulnerability identifier: #VU24810
Vulnerability risk: Low
Exploitation vector: Local
Exploit availability: Yes
The vulnerability allows a local user to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the getln() function in tgetpass.c, if pwfeedback is enabled in /etc/sudoers. A local user can trigger stack-based buffer overflow and execute arbitrary code on the target system with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Install updates from vendor's website.
Vulnerable software versions
Sudo: 1.8.0 - 1.8.30
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.