Rapid7 Vulnerability & Exploit Database

Ubuntu: USN-4705-1 (CVE-2021-23239): Sudo vulnerabilities

Back to Search

Ubuntu: USN-4705-1 (CVE-2021-23239): Sudo vulnerabilities

Severity
2
CVSS
(AV:L/AC:M/Au:N/C:P/I:N/A:N)
Published
01/11/2021
Created
01/28/2021
Added
01/27/2021
Modified
01/28/2021

Description

The sudoedit personality of Sudo before 1.9.5 may allow a local unprivileged user to perform arbitrary directory-existence tests by winning a sudo_edit.c race condition in replacing a user-controlled directory by a symlink to an arbitrary path.

Solution(s)

  • ubuntu-upgrade-sudo
  • ubuntu-upgrade-sudo-ldap

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;