GLSA-201703-03 : PuTTY: Buffer overflow

This script is Copyright (C) 2017 Tenable Network Security, Inc.


Synopsis :

The remote Gentoo host is missing one or more security-related
patches.

Description :

The remote host is affected by the vulnerability described in GLSA-201703-03
(PuTTY: Buffer overflow)

A heap-corrupting buffer overflow bug in the ssh_agent_channel_data
function of PuTTY was found.

Impact :

A remote attacker, utilizing the SSH agent forwarding of an SSH server,
could execute arbitrary code with the privileges of the user running the
client or cause a Denial of Service condition.

Workaround :

There is no known workaround at this time.

See also :

https://security.gentoo.org/glsa/201703-03

Solution :

All PuTTY users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-misc/putty-0.68'

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)

Family: Gentoo Local Security Checks

Nessus Plugin ID: 97815 ()

Bugtraq ID:

CVE ID: CVE-2017-6542

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