50929 : Avahi avahi-daemon avahi-core/server.c Crafted mDNS Packet Handling Remote DoS
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
5	1669	over 4 years ago	over 2 years ago	11 times	90%

Timeline

Disclosure Date
2008-12-12

Description

Avahi contains a flaw that may allow a remote denial of service. The issue can be triggered by a specially crafted mDNS packet with a source port of 0, and will result in loss of availability for the service.

Classification

Location: Remote / Network Access
Attack Type: Denial of Service
Impact: Loss of Availability
Solution: Upgrade
Exploit: Exploit Public
Disclosure: Vendor Verified, Third-party Verified

Solution

Upgrade to version 0.6.24 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

The Avahi Team

Avahi

0.6.23

References

CVE ID: 2008-5081 (see also: NVD)
Bugtraq ID: 32825
Secunia Advisory ID: 33153 33220 33279 33475 33520 33818
Metasploit ID: 50929
Milw0rm: 7520
Exploit Database: 7520
Vendor Specific News/Changelog Entry: http://avahi.org/milestone/Avahi%200.6.24
http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00000.html
http://www.gentoo.org/security/en/glsa/glsa-200901-11.xml
Vendor Specific Solution URL: http://security.gentoo.org/glsa/glsa-200901-11.xml
Other Advisory URL: http://www.debian.org/security/2008/dsa-1690
http://www.openwall.com/lists/oss-security/2008/12/14/1
http://www.ubuntu.com/usn/usn-696-1
http://xorl.wordpress.com/2009/03/11/cve-2008-5081-avahi-dns-assert-dos/
RedHat RHSA: https://rhn.redhat.com/errata/RHSA-2009-0013.html

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 5.0
Source: nvd.nist.gov | Generated: 2008-12-17 | Disagree?

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