GLSA 201606-01: PuTTY: Multiple vulnerabilities

http://security.gentoo.org/

Severity:	normal
Title:	PuTTY: Multiple vulnerabilities
Date:	06/05/2016
Bugs:	#565080, #576524
ID:	201606-01

Synopsis

Multiple vulnerabilities have been found in PuTTY, the worst of which could lead to arbitrary code execution, or cause a Denial of Service condition.

Background

PuTTY is a telnet and SSH client.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
net-misc/putty	< 0.67	>= 0.67	All supported architectures

Description

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

Impact

Stack-based buffer overflow in the SCP command-line utility allows remote servers to execute arbitrary code or cause a denial of service condition via a crafted SCP-SINK file-size response to an SCP download request.

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-0.67"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201606-01.xml

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.