#VU29271 Reachable Assertion in Quagga - CVE-2009-1572 

 

#VU29271 Reachable Assertion in Quagga - CVE-2009-1572

Published: June 25, 2020


Vulnerability identifier: #VU29271
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2009-1572
CWE-ID: CWE-617
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Quagga
Software vendor:
quagga.net

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion within BGP daemon (bgpd) when processing ASN elements whose string representation is longer than expected in the AS path. A remote attacker can pass specially crafted AS path to the service and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links