avahi avahi-daemon 0.6.23 originates_from_local_legacy_unicast_socket resource management

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in avahi avahi-daemon 0.6.23. The affected element is the function originates_from_local_legacy_unicast_socket. The manipulation leads to resource management. This vulnerability is listed as CVE-2009-0758. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in avahi avahi-daemon 0.6.23. It has been rated as critical. This issue affects the function originates_from_local_legacy_unicast_socket. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:

The originates_from_local_legacy_unicast_socket function in avahi-core/server.c in avahi-daemon 0.6.23 does not account for the network byte order of a port number when processing incoming multicast packets, which allows remote attackers to cause a denial of service (network bandwidth and CPU consumption) via a crafted legacy unicast mDNS query packet that triggers a multicast packet storm.

The bug was discovered 03/01/2009. The weakness was presented 03/03/2009 (Website). It is possible to read the advisory at openwall.com. The identification of this vulnerability is CVE-2009-0758 since 03/03/2009. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 68061 (Oracle Linux 5 : avahi (ELSA-2010-0528)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 155640 (Oracle Enterprise Linux Update for Avahi (ELSA-2010-0528)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 years after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (49048), Tenable (68061), SecurityFocus (BID 33946†), OSVDB (52543†) and Secunia (SA38420†). See VDB-53948 for similar entry. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 68061
Nessus Name: Oracle Linux 5 : avahi (ELSA-2010-0528)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 67842
OpenVAS Name: Debian Security Advisory DSA 2086-1 (avahi)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

03/01/2009 🔍
03/01/2009 +0 days 🔍
03/02/2009 +1 days 🔍
03/03/2009 +1 days 🔍
03/03/2009 +0 days 🔍
03/03/2009 +0 days 🔍
04/14/2009 +42 days 🔍
02/02/2010 +294 days 🔍
07/13/2010 +161 days 🔍
07/12/2013 +1095 days 🔍
03/17/2015 +613 days 🔍
09/01/2019 +1629 days 🔍

Sourcesinfo

Advisory: openwall.com
Status: Not defined

CVE: CVE-2009-0758 (🔍)
GCVE (CVE): GCVE-0-2009-0758
GCVE (VulDB): GCVE-100-46943

OVAL: 🔍

X-Force: 49048
SecurityFocus: 33946 - Avahi 'avahi-core/server.c' Multicast DNS Denial Of Service Vulnerability
Secunia: 38420
OSVDB: 52543 - Avahi - 'avahi-core.server.c' Multicast DNS Denial Of Service Issue
Vulnerability Center: 21576 - Avahi 0.6.23 Remote DoS Vulnerability via a Crafted Legacy Unicast mDNS Query Packet, Medium

See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 09/01/2019 16:26
Changes: 03/17/2015 16:11 (78), 09/01/2019 16:26 (5)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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