TACACS+: Remote Code Execution — GLSA 202402-13

A vulnerability has been discovered in TACACS+ which could lead to remote code execution.

Affected packages

Background

An updated version of Cisco's TACACS+ server.

Description

A vulnerabilitiy has been discovered in TACACS+. Please review the CVE identifier referenced below for details.

Impact

A lack of input validation exists in tac_plus which, when pre or post auth commands are enabled, allows an attacker who can control the username, rem-addr, or NAC address sent to tac_plus to inject shell commands and gain remote code execution on the tac_plus server.

Workaround

There is no known workaround at this time.

Resolution

 # emerge --ask --depclean "net-nds/tac_plus"
 

References

• CVE-2023-45239

Release date
February 18, 2024

Latest revision
February 18, 2024: 1

Severity
high

Exploitable
remote

Bugzilla entries

• 918536