avahi up to 0.6.28 avahi-core/socket.c resource management

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.09

Summaryinfo

A vulnerability was found in avahi. It has been declared as problematic. The impacted element is an unknown function of the file avahi-core/socket.c. The manipulation results in resource management. This vulnerability is known as CVE-2011-1002. No exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in avahi. It has been classified as problematic. Affected is some unknown processing of the file avahi-core/socket.c. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. CVE summarizes:

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.

The weakness was published 02/19/2011 as confirmed git commit (GIT Repository). The advisory is shared for download at git.0pointer.de. This vulnerability is traded as CVE-2011-1002 since 02/14/2011. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 68255 (Oracle Linux 5 : avahi (ELSA-2011-0436)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 119192 (CentOS Security Update for Avahi (CESA-2011:0436)).

Upgrading to version 0.6.11 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.0pointer.de. The best possible mitigation is suggested to be patching the affected component. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (65524), Tenable (68255), SecurityFocus (BID 46446†), OSVDB (70948†) and Secunia (SA43361†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 68255
Nessus Name: Oracle Linux 5 : avahi (ELSA-2011-0436)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 69108
OpenVAS Name: Debian Security Advisory DSA 2174-1 (avahi)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: avahi 0.6.11
Patch: 46109dfec75534fe270c0ab902576f685d5ab3a6

Timelineinfo

02/14/2011 🔍
02/18/2011 +4 days 🔍
02/18/2011 +0 days 🔍
02/19/2011 +0 days 🔍
02/19/2011 +0 days 🔍
02/21/2011 +2 days 🔍
02/22/2011 +1 days 🔍
02/28/2011 +6 days 🔍
03/03/2011 +2 days 🔍
07/12/2013 +862 days 🔍
03/20/2015 +616 days 🔍
01/16/2025 +3590 days 🔍

Sourcesinfo

Advisory: RHSA-2011:0436
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-1002 (🔍)
GCVE (CVE): GCVE-0-2011-1002
GCVE (VulDB): GCVE-100-56580

OVAL: 🔍

X-Force: 65524
SecurityFocus: 46446 - Avahi 'avahi-core/socket.c' NULL UDP Packet Denial Of Service Vulnerability
Secunia: 43361 - Avahi Empty UDP Packet Denial of Service Vulnerability, Less Critical
OSVDB: 70948 - Avahi avahi-core/socket.c Empty UDP Packet Remote DoS
Vulnerability Center: 29982 - Avahi before 0.6.29 Remote DoS via an Empty IPv4 or IPv6 UDP Packet, Medium
Vupen: ADV-2011-0448

Entryinfo

Created: 03/20/2015 16:16
Updated: 01/16/2025 22:10
Changes: 03/20/2015 16:16 (67), 08/20/2017 22:07 (14), 10/17/2021 17:45 (4), 10/17/2021 17:53 (1), 10/17/2021 18:01 (2), 01/16/2025 22:10 (20)
Complete: 🔍
Cache ID: 216:53D:103

Once again VulDB remains the best source for vulnerability data.

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