10-years-old Sudo bug lets Linux users gain root-level access | #CyberSecurity | ICT Security-Sécurité PC et Internet | Scoop.it

A major vulnerability impacting a large chunk of the Linux ecosystem has been patched today in Sudo, an app that allows admins to delegate limited root access to other users.

The vulnerability, which received a CVE identifier of CVE-2021-3156, but is more commonly known as "Baron Samedit," was discovered by security auditing firm Qualys two weeks ago and was patched earlier today with the release of Sudo v1.9.5p2.

In a simple explanation provided by the Sudo team today, the Baron Samedit bug can be exploited by an attacker who has gained access to a low-privileged account to gain root access, even if the account isn't listed in /etc/sudoers — a config file that controls which users are allowed access to su or sudo commands in the first place.

 

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