- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory                           GLSA 202407-11
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                           https://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

 Severity: High
    Title: PuTTY: Multiple Vulnerabilities
     Date: July 05, 2024
     Bugs: #920304, #930082
       ID: 202407-11

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Synopsis
========

Multiple vulnerabilities have been discovered in PuTTY, the worst of
which could lead to compromised keys.

Background
==========

PuTTY is a free implementation of Telnet and SSH for Windows and Unix
platforms, along with an xterm terminal emulator.

Affected packages
=================

Package         Vulnerable    Unaffected
--------------  ------------  ------------
net-misc/putty  < 0.81        >= 0.81

Description
===========

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

Impact
======

Please review the referenced CVE identifiers for details.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All PuTTY users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-misc/putty-0.81"

In addition, any keys generated with PuTTY versions 0.68 to 0.80 should
be considered breached and should be regenerated.

References
==========

[ 1 ] CVE-2023-48795
      https://nvd.nist.gov/vuln/detail/CVE-2023-48795
[ 2 ] CVE-2024-31497
      https://nvd.nist.gov/vuln/detail/CVE-2024-31497

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/202407-11

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2024 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5