Resource exhaustion in BIRD Internet Routing Daemon - CVE-2018-12066

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Main Vulnerability Database Vulnerabilities #VU21408

Resource exhaustion in BIRD Internet Routing Daemon - CVE-2018-12066

Published: September 29, 2019


Vulnerability identifier: #VU21408
CSH Severity: Low
CVSS v4: 8.2 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H]
CVE-ID: CVE-2018-12066
CWE-ID: CWE-400
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to an input validation error when processing BGP mask expressions in birdc. A local user can trigger resource exhaustion and perform a denial of service (DoS) attack.


Affected software

BIRD Internet Routing Daemon
Fedora
bird

How to mitigate CVE-2018-12066

Install updates from vendor's website.

BIRD Internet Routing Daemon - update to 1.6.4
bird - addressed in versions 1.6.4-2.el7, 1.6.4-2.fc28, 1.6.4-2.fc29, 1.6.6-1.el6

External References

Related Security Bulletins