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Vulnerability Details : CVE-2011-1002

avahi-core/socket.c in avahi-daemon in Avahi before 0.6.29 allows remote attackers to cause a denial of service (infinite loop) via an empty mDNS (1) IPv4 or (2) IPv6 UDP packet to port 5353. NOTE: this vulnerability exists because of an incorrect fix for CVE-2010-2244.
Publish Date : 2011-02-22 Last Update Date : 2014-02-11
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- 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 2011-02-18 2011-01-04
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2011-1002 unix
DEPRECATED: ELSA-2011-0436 -- avahi security update (moderate) oval:org.mitre.oval:def:28123 unix
DEPRECATED: ELSA-2011-0779 -- avahi security and bug fix update (moderate) oval:org.mitre.oval:def:27764 unix
ELSA-2011:0436: avahi security update (Moderate) oval:org.mitre.oval:def:23132 unix
ELSA-2011:0779: avahi security and bug fix update (Moderate) oval:org.mitre.oval:def:22953 unix
RHSA-2011:0436: avahi security update (Moderate) oval:org.mitre.oval:def:21960 unix
RHSA-2011:0436: avahi security update (Moderate) oval:com.redhat.rhsa:def:20110436 unix
RHSA-2011:0779: avahi security and bug fix update (Moderate) oval:org.mitre.oval:def:21860 unix
RHSA-2011:0779: avahi security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20110779 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-2011-1002

# 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
31 Application Avahi Avahi 0.6.24 Version Details Vulnerabilities
32 Application Avahi Avahi 0.6.25 Version Details Vulnerabilities
33 Application Avahi Avahi 0.6.26 Version Details Vulnerabilities
34 Application Avahi Avahi 0.6.27 Version Details Vulnerabilities
35 Application Avahi Avahi 0.6.28 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Avahi Avahi 35

- References For CVE-2011-1002
VUPEN ADV-2011-0969
MLIST [oss-security] 20110222 Re: [oss-security] CVE request: avahi daemon remote denial of service by sending NULL UDP
SUSE SUSE-SR:2011:005
VUPEN ADV-2011-0670
VUPEN ADV-2011-0601
VUPEN ADV-2011-0565
VUPEN ADV-2011-0511
VUPEN ADV-2011-0499
VUPEN ADV-2011-0448
BID 46446 Avahi 'avahi-core/socket.c' NULL UDP Packet Denial Of Service Vulnerability Release Date:2011-10-24
REDHAT RHSA-2011:0779
REDHAT RHSA-2011:0436
MLIST [oss-security] 20110218 CVE request: avahi daemon remote denial of service by sending NULL UDP
OSVDB 70948 Avahi Empty UDP Packet DoS Avahi Empty UDP Packet DoS
MLIST [oss-security] 20110218 Re: CVE request: avahi daemon remote denial of service by sending NULL UDP CONFIRM
XF avahi-udp-packet-dos(65525)
XF avahi-udp-dos(65524);a=commit;h=46109dfec75534fe270c0ab902576f685d5ab3a6 CONFIRM CONFIRM

- Metasploit Modules Related To CVE-2011-1002

There are not any metasploit modules related to this vulnerability (Please visit for more information)

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