Infinite loop in Quagga - CVE-2018-5381

 

Infinite loop in Quagga - CVE-2018-5381

Published: February 16, 2018


Vulnerability identifier: #VU10618
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-5381
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: quagga.net
Affected software:
Quagga

Detailed vulnerability description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in the Quagga BGP daemon due to improper handling of invalid OPEN messages. A remote attacker can trigger infinite loop and cause the service to crash.

Successful exploitation of the vulnerability results in denial of service.

How to mitigate CVE-2018-5381

Update to version 1.2.3.

Sources