OpenSSH: Remote Code Execution — GLSA 202307-01

Multiple vulnerbilities have been discovered in OpenSSH, the worst of which could result in remote code execution.

Affected packages

net-misc/openssh on all architectures
Affected versions < 9.3_p2
Unaffected versions >= 9.3_p2

Background

OpenSSH is a free application suite consisting of server and clients that replace tools like telnet, rlogin, rcp and ftp with more secure versions offering additional functionality.

Description

Multiple vulnerabilities have been discovered in OpenSSH. Please review the CVE identifiers referenced below for details.

Impact

Please review the CVE identifiers referenced below for details.

Workaround

CVE-2023-38408 can be worked around by avoiding connecting to untrusted servers with an SSH agent.

Resolution

All OpenSSH users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=net-misc/openssh-9.3_p2"
 

References

Release date
July 20, 2023

Latest revision
July 20, 2023: 1

Severity
high

Exploitable
remote

Bugzilla entries