GLSA-201706-07 : Libtirpc and RPCBind: Denial of Service

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-201706-07
(Libtirpc and RPCBind: Denial of Service)

It was found that due to the way RPCBind uses libtirpc (libntirpc), a
memory leak can occur when parsing specially crafted XDR messages.

Impact :

A remote attacker could send thousands of messages to RPCBind, possibly
resulting in a Denial of Service condition.

Workaround :

There is no known workaround at this time.

See also :

https://security.gentoo.org/glsa/201706-07

Solution :

All RPCBind users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-nds/rpcbind-0.2.4-r1'
All Libtirpc users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-libs/libtirpc-1.0.1-r1'

Risk factor :

High / CVSS Base Score : 7.8
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C)

Family: Gentoo Local Security Checks

Nessus Plugin ID: 100650 ()

Bugtraq ID:

CVE ID: CVE-2017-8779

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