Number: AV21-060
Date: 5 February 2021
On 26 January 2021 Sudo released an Alert to address a vulnerability in the following:
- Sudo – versions 1.8.2 through 1.8.31p2 and 1.9.0 through 1.9.5p1
Exploitation of this vulnerability could allow an actor to elevate privileges on an affected system.
It has recently been reported that Linux, macOS, AIX, and Solaris may also be vulnerable. The Cyber Centre encourages users and administrators to review the following web link and apply the necessary update.
Sudo Alert
https://www.sudo.ws/alerts/unescape_overflow.html
Note to Readers
The Canadian Centre for Cyber Security (Cyber Centre) operates as part of the Communications Security Establishment. We are Canada’s national authority on cyber security and we lead the government’s response to cyber security events. As Canada's national computer security incident response team, the Cyber Centre works in close collaboration with government departments, critical infrastructure, Canadian businesses and international partners to prepare for, respond to, mitigate, and recover from cyber events. We do this by providing authoritative advice and support, and coordinating information sharing and incident response. The Cyber Centre is outward-facing, welcoming partnerships that help build a stronger, more resilient cyber space in Canada.