Vulnerability Assessment & Network Security Forums



If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important.  If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.


Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200609-11] BIND: Denial of Service


Vulnerability Assessment Details

[GLSA-200609-11] BIND: Denial of Service

Vulnerability Assessment Summary
BIND: Denial of Service

Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200609-11
(BIND: Denial of Service)


Queries for SIG records will cause an assertion error if more than one
SIG RRset is returned. Additionally, an INSIST failure can be triggered
by sending multiple recursive queries if the response to the query
arrives after all the clients looking for the response have left the
recursion queue.

Impact

A possible hacker having access to a recursive server can crash the server by
querying the SIG records where there are multiple SIG RRsets, or by
sending many recursive queries in a short time. The exposure can be
lowered by restricting the clients that can ask for recursion. An
attacker can also crash an authoritative server serving a DNSSEC zone
in which there are multiple SIG RRsets.

Workaround

There are no known workarounds at this time.

References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4095
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4096


Solution:
All BIND 9.3 users should update to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-dns/bind-9.3.2-r4"
All BIND 9.2 users should update to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-dns/bind-9.2.6-r4"


Network Security Threat Level: Medium


Networks Security ID:

Vulnerability Assessment Copyright: (C) 2006 Michel Arboi

Cables, Connectors

Vintage Apple Rainbow Retro Mac Mouse Pad Mousepad Home Office
$9.99
Vintage Apple Rainbow Retro Mac Mouse Pad Mousepad Home Office  pictureSTUFF4 Gel/TPU Case/Cover for Huawei Y6 2017/Green Fashion
$7.9
STUFF4 Gel/TPU Case/Cover for Huawei Y6 2017/Green Fashion pictureVintage Suncom Analog Edge Game Joystick Controller for IBM computers PC Gaming
$9.99
Vintage Suncom Analog Edge Game Joystick Controller for IBM computers PC Gaming pictureHouston Astros Vintage Collection iPad 3 Case - MLB
$39.95
Houston Astros Vintage Collection iPad 3 Case - MLB picture


Discussions

No Discussions have been posted on this vulnerability.