This security bulletin contains one low risk vulnerability.
Exploit availability: NoDescription
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The weakness exists due to improper input validation in the get_process_ttyname() function when parsing tty information from the process status file in the proc files by sudo. A local attacker can supply a specially crafted file to obtain potentially sensitive information or execute arbitrary command with root privileges.
Successful exploitation of the vulnerability may result in system compromise.
Update to version 1.8.20p2.Vulnerable software versions
Sudo: 1.7.4 - 1.8.20p1
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?