Input validation error in Quagga - CVE-2013-6051
Published: December 14, 2013 / Updated: August 4, 2020
Vulnerability identifier: #VU33865
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2013-6051
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: quagga.net
Affected software:
Quagga
Quagga
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
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.
How to mitigate CVE-2013-6051
Install update from vendor's website.