the ultimate security vulnerability data source
(e.g.: CVE-2009-1234 or 2010-1234 or 20101234)
Log In   Register
Vulnerability Feeds & WidgetsNew  

Vulnerability Details : CVE-2008-5081

The originates_from_local_legacy_unicast_socket function (avahi-core/server.c) in avahi-daemon in Avahi before 0.6.24 allows remote attackers to cause a denial of service (crash) via a crafted mDNS packet with a source port of 0, which triggers an assertion failure.
Publish Date : 2008-12-16 Last Update Date : 2017-09-28
Search Twitter   Search YouTube   Search Google

- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 399

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
AV:A/AC:L/Au:N/C:N/I:N/A:P 2008-12-04 2008-12-12
If you are a vendor and you have additional data which can be automatically imported into our database, please contact admin @

- Related OVAL Definitions

Title Definition Id Class Family
CVE-2008-5081 unix
DSA-1690 avahi -- assert errors oval:org.mitre.oval:def:7875 unix
DSA-1690-1 avahi - denial of service oval:org.mitre.oval:def:18697 unix
ELSA-2009:0013: avahi security update (Moderate) oval:org.mitre.oval:def:22726 unix
RHSA-2009:0013 -- avahi security update (Moderate) oval:org.mitre.oval:def:29261 unix
RHSA-2009:0013: avahi security update (Moderate) oval:com.redhat.rhsa:def:20090013 unix
The originates_from_local_legacy_unicast_socket function (avahi-core/server.c) in avahi-daemon in Avahi before 0.6.24 al... oval:org.mitre.oval:def:9987 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2008-5081

# Product Type Vendor Product Version Update Edition Language
1 Application Avahi Avahi 0.1 Version Details Vulnerabilities
2 Application Avahi Avahi 0.2 Version Details Vulnerabilities
3 Application Avahi Avahi 0.3 Version Details Vulnerabilities
4 Application Avahi Avahi 0.4 Version Details Vulnerabilities
5 Application Avahi Avahi 0.5 Version Details Vulnerabilities
6 Application Avahi Avahi 0.5.1 Version Details Vulnerabilities
7 Application Avahi Avahi 0.5.2 Version Details Vulnerabilities
8 Application Avahi Avahi 0.6.1 Version Details Vulnerabilities
9 Application Avahi Avahi 0.6.2 Version Details Vulnerabilities
10 Application Avahi Avahi 0.6.3 Version Details Vulnerabilities
11 Application Avahi Avahi 0.6.4 Version Details Vulnerabilities
12 Application Avahi Avahi 0.6.5 Version Details Vulnerabilities
13 Application Avahi Avahi 0.6.6 Version Details Vulnerabilities
14 Application Avahi Avahi 0.6.7 Version Details Vulnerabilities
15 Application Avahi Avahi 0.6.8 Version Details Vulnerabilities
16 Application Avahi Avahi 0.6.9 Version Details Vulnerabilities
17 Application Avahi Avahi 0.6.10 Version Details Vulnerabilities
18 Application Avahi Avahi 0.6.11 Version Details Vulnerabilities
19 Application Avahi Avahi 0.6.12 Version Details Vulnerabilities
20 Application Avahi Avahi 0.6.13 Version Details Vulnerabilities
21 Application Avahi Avahi 0.6.14 Version Details Vulnerabilities
22 Application Avahi Avahi 0.6.15 Version Details Vulnerabilities
23 Application Avahi Avahi 0.6.16 Version Details Vulnerabilities
24 Application Avahi Avahi 0.6.17 Version Details Vulnerabilities
25 Application Avahi Avahi 0.6.18 Version Details Vulnerabilities
26 Application Avahi Avahi 0.6.19 Version Details Vulnerabilities
27 Application Avahi Avahi 0.6.20 Version Details Vulnerabilities
28 Application Avahi Avahi 0.6.21 Version Details Vulnerabilities
29 Application Avahi Avahi 0.6.22 Version Details Vulnerabilities
30 Application Avahi Avahi 0.6.23 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Avahi Avahi 30

- References For CVE-2008-5081
MLIST [oss-security] 20081214 Avahi daemon DoS (CVE-2008-5081)
BID 32825 Avahi Multicast DNS Denial Of Service Vulnerability Release Date:2009-02-02
GENTOO GLSA-200901-11

- Metasploit Modules Related To CVE-2008-5081

Avahi Source Port 0 DoS
Avahi-daemon versions prior to 0.6.24 can be DoS'd with an mDNS packet with a source port of 0.
Module type : auxiliary Rank : normal

CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site. OVAL is a registered trademark of The MITRE Corporation and the authoritative source of OVAL content is MITRE's OVAL web site.
Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.