Buffer overflow in Quagga - CVE-2011-3323
Published: October 10, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU44626
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-2011-3323
CWE-ID: CWE-119
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 OSPFv3 implementation in ospf6d in Quagga before 0.99.19 allows remote attackers to cause a denial of service (out-of-bounds memory access and daemon crash) via a Link State Update message with an invalid IPv6 prefix length.
How to mitigate CVE-2011-3323
Install update from vendor's website.
Sources
- http://code.quagga.net/?p=quagga.git;a=commit;h=abc7ef44ca05493500865ce81f7b84f5c4eb6594
- http://lists.opensuse.org/opensuse-security-announce/2011-09/msg00027.html
- http://lists.opensuse.org/opensuse-security-announce/2011-10/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2011-10/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2011-12/msg00009.html
- http://rhn.redhat.com/errata/RHSA-2012-1258.html
- http://rhn.redhat.com/errata/RHSA-2012-1259.html
- http://secunia.com/advisories/46139
- http://secunia.com/advisories/46274
- http://secunia.com/advisories/48106
- http://security.gentoo.org/glsa/glsa-201202-02.xml
- http://www.debian.org/security/2011/dsa-2316
- http://www.kb.cert.org/vuls/id/668534
- http://www.quagga.net/download/quagga-0.99.19.changelog.txt
- https://www.cert.fi/en/reports/2011/vulnerability539178.html