Quagga 0.99.21 bgp_attr.c bgp_attr_unknown Total denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Quagga 0.99.21. It has been classified as problematic. Impacted is the function bgp_attr_unknown of the file bgp_attr.c. Performing a manipulation of the argument Total results in denial of service. This vulnerability was named CVE-2013-6051. There is no available exploit. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as problematic has been found in Quagga 0.99.21 (Network Routing Software). This affects the function bgp_attr_unknown of the file bgp_attr.c. The manipulation of the argument total 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. The summary by CVE is:

The bgp_attr_unknown function in bgp_attr.c in Quagga 0.99.21 does not properly initialize the total variable, which allows remote attackers to cause a denial of service (bgpd crash) via a crafted BGP update.

The weakness was presented 12/14/2013 as confirmed git commit (GIT Repository). It is possible to read the advisory at git.savannah.gnu.org. This vulnerability is uniquely identified as CVE-2013-6051 since 10/08/2013. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 71638 (Fedora 18 : quagga-0.99.21-6.fc18 (2013-23504)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350465 (Amazon Linux Security Advisory for quagga: ALAS-2014-279).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.savannah.gnu.org.

The vulnerability is also documented in the databases at Tenable (71638), SecurityFocus (BID 63937†) and Vulnerability Center (SBV-42794†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

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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VulDB Base Score: 🔍
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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: 🔍

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Nessus ID: 71638
Nessus Name: Fedora 18 : quagga-0.99.21-6.fc18 (2013-23504)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 892803
OpenVAS Name: Debian Security Advisory DSA 2803-1 (quagga - several vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 8794e8d229dc9fe29ea31424883433d4880ef408

Timelineinfo

10/08/2013 🔍
11/26/2013 +49 days 🔍
11/26/2013 +0 days 🔍
12/14/2013 +18 days 🔍
12/14/2013 +0 days 🔍
12/27/2013 +13 days 🔍
01/06/2014 +10 days 🔍
03/24/2015 +442 days 🔍
12/23/2024 +3562 days 🔍

Sourcesinfo

Advisory: dsa-2803
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-6051 (🔍)
GCVE (CVE): GCVE-0-2013-6051
GCVE (VulDB): GCVE-100-65763

OVAL: 🔍

SecurityFocus: 63937 - Quagga BGP Updates 'bgp_attr.c' Remote Denial Of Service Vulnerability
Vulnerability Center: 42794 - Quagga 0.99.21 Remote DoS Vulnerability via the bgp_attr_unknown Function, Medium

Entryinfo

Created: 03/24/2015 15:54
Updated: 12/23/2024 20:12
Changes: 03/24/2015 15:54 (68), 05/19/2017 10:26 (5), 01/11/2022 21:57 (4), 01/11/2022 22:10 (1), 01/11/2022 22:24 (1), 12/23/2024 20:12 (16)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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