Thekelleys Dnsmasq up to 2.32 Interfaces denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in Thekelleys Dnsmasq up to 2.32. Impacted is an unknown function of the component Interfaces. The manipulation results in denial of service. This vulnerability is cataloged as CVE-2012-3411. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic has been found in Thekelleys Dnsmasq up to 2.32 (Domain Name Software). Affected is an unknown code block of the component Interfaces. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

Dnsmasq before 2.63test1, when used with certain libvirt configurations, replies to requests from prohibited interfaces, which allows remote attackers to cause a denial of service (traffic amplification) via a spoofed DNS query.

The weakness was shared 03/05/2013 (Website). The advisory is shared for download at thekelleys.org.uk. This vulnerability is traded as CVE-2012-3411 since 06/14/2012. 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 neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 68738 (Oracle Linux 6 : dnsmasq (ELSA-2013-0277)), 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 156526 (Oracle Enterprise Linux Update for libvirt security, bug fix, and enhancement update (ELSA-2013-0276)).

Upgrading to version 2.33 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (81552), Tenable (68738), SecurityFocus (BID 54353†), Secunia (SA52001†) and Vulnerability Center (SBV-38015†). The entry VDB-63533 is related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Domain Name Software

Vendor

• Thekelleys

Name

• Dnsmasq

Version

• 2.0
• 2.1
• 2.2
• 2.3
• 2.4
• 2.5
• 2.6
• 2.7
• 2.8
• 2.9
• 2.10
• 2.11
• 2.12
• 2.13
• 2.14
• 2.15
• 2.16
• 2.17
• 2.18
• 2.19
• 2.20
• 2.21
• 2.22
• 2.23
• 2.24
• 2.25
• 2.26
• 2.27
• 2.28
• 2.29
• 2.30
• 2.31
• 2.32

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 68738
Nessus Name: Oracle Linux 6 : dnsmasq (ELSA-2013-0277)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 881637
OpenVAS Name: CentOS Update for libvirt CESA-2013:0276 centos6
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Dnsmasq 2.33
Patch: 2f38141f434e23292f84cefc33e8de76fb856147

Timelineinfo

06/14/2012 🔍
09/12/2012 +90 days 🔍
01/14/2013 +124 days 🔍
01/29/2013 +15 days 🔍
03/05/2013 +35 days 🔍
03/05/2013 +0 days 🔍
07/12/2013 +129 days 🔍
03/24/2015 +620 days 🔍
12/31/2024 +3570 days 🔍

Sourcesinfo

Advisory: RHSA-2013:0276
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-3411 (🔍)
GCVE (CVE): GCVE-0-2012-3411
GCVE (VulDB): GCVE-100-63684

OVAL: 🔍

X-Force: 81552
SecurityFocus: 54353
Secunia: 52001 - Red Hat update for libvirt, Moderately Critical
Vulnerability Center: 38015 - Dnsmasq With libvirtd Processes Packets From Prohibited Networks Which Allows Remote DDoS Attacks, Medium

See also: 🔍

Entryinfo

Created: 03/24/2015 12:22
Updated: 12/31/2024 01:46
Changes: 03/24/2015 12:22 (70), 04/23/2017 14:16 (4), 12/29/2021 21:04 (5), 12/29/2021 21:11 (1), 12/31/2024 01:46 (22)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

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