PuTTY: Multiple vulnerabilities — GLSA 201606-01

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

Affected Packages

net-misc/putty on all architectures
Affected versions < 0.67
Unaffected versions >= 0.67

Background

PuTTY is a telnet and SSH client.

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

Release Date
June 05, 2016

Latest Revision
June 05, 2016: 2

Severity
normal

Exploitable
remote

Bugzilla entries