Quagga up to 0.98.5 bgp_capability_orf denial of service

EntryHistoryDiffjsonxmlCTI

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.
4.3	$0-$5k	0.00

A vulnerability was found in Quagga up to 0.98.5 (Network Routing Software). It has been classified as problematic. This affects the function bgp_capability_orf. 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. The summary by CVE is:

The bgp_capability_orf function in bgpd in Quagga 0.99.20.1 and earlier allows remote attackers to cause a denial of service (assertion failure and daemon exit) by leveraging a BGP peering relationship and sending a malformed Outbound Route Filtering (ORF) capability TLV in an OPEN message.

The weakness was presented 06/13/2012 as confirmed advisory (CERT.org). It is possible to read the advisory at kb.cert.org. This vulnerability is uniquely identified as CVE-2012-1820 since 03/21/2012. The attack needs to approached within the local network. 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 69697 (Amazon Linux AMI : quagga (ALAS-2012-90)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 157411 (Oracle Enterprise Linux Security Update for quagga (ELSA-2017-0794)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (76056) and Tenable (69697). See 60557, 60556, 60555 and 58987 for similar entries.

Productinfo

Type

Network Routing Software

Name

Quagga

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

Class: Denial of service
CWE: CWE-404
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

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0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 69697
Nessus Name: Amazon Linux AMI : quagga (ALAS-2012-90)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 71476
OpenVAS Name: Debian Security Advisory DSA 2497-1 (quagga)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

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Timelineinfo

03/21/2012 🔍
06/04/2012 +75 days 🔍
06/04/2012 +0 days 🔍
06/13/2012 +9 days 🔍
06/13/2012 +0 days 🔍
06/19/2012 +6 days 🔍
10/12/2012 +115 days 🔍
09/04/2013 +327 days 🔍
03/23/2015 +565 days 🔍
12/03/2021 +2447 days 🔍

Sourcesinfo

Advisory: USN-1605-1
Status: Confirmed

CVE: CVE-2012-1820 (🔍)
OVAL: 🔍

X-Force: 76056
Vulnerability Center: 35380 - Quagga 0.99.20.1 and Earlier Remote Denial of Service Vulnerability, Medium
SecurityFocus: 53775 - Quagga bgpd 'bgp_capability_orf()' BGP OPEN Message Remote Denial Of Service Vulnerability
Secunia: 50941 - Ubuntu update for quagga, Less Critical

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 12/03/2021 22:22
Changes: 03/23/2015 16:50 (64), 04/15/2019 12:49 (12), 12/03/2021 22:01 (2), 12/03/2021 22:10 (1), 12/03/2021 22:22 (1)
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