Input validation error in Quagga - CVE-2012-1820

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Main Vulnerability Database Vulnerabilities #VU33866

Input validation error in Quagga - CVE-2012-1820

Published: June 13, 2012 / Updated: August 4, 2020


Vulnerability identifier: #VU33866
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2012-1820
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: quagga.net
Affected software:
Quagga

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

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.


How to mitigate CVE-2012-1820

Install update from vendor's website.

Sources