8.8 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.091 Low
EPSS
Percentile
94.5%
The ospf6_lsa_is_changed function in ospf6_lsa.c in the OSPFv3 implementation in ospf6d in Quagga before 0.99.19 allows remote attackers to cause a denial of service (assertion failure and daemon exit) via trailing zero values in the Link State Advertisement (LSA) header list of an IPv6 Database Description message.
code.quagga.net/?p=quagga.git%3Ba=commit%3Bh=09395e2a0e93b2cf4258cb1de91887948796bb68
lists.opensuse.org/opensuse-security-announce/2011-09/msg00027.html
lists.opensuse.org/opensuse-security-announce/2011-10/msg00007.html
lists.opensuse.org/opensuse-security-announce/2011-10/msg00010.html
lists.opensuse.org/opensuse-security-announce/2011-12/msg00009.html
rhn.redhat.com/errata/RHSA-2012-1258.html
rhn.redhat.com/errata/RHSA-2012-1259.html
secunia.com/advisories/46139
secunia.com/advisories/46274
secunia.com/advisories/48106
security.gentoo.org/glsa/glsa-201202-02.xml
www.debian.org/security/2011/dsa-2316
www.kb.cert.org/vuls/id/668534
www.quagga.net/download/quagga-0.99.19.changelog.txt
www.cert.fi/en/reports/2011/vulnerability539178.html