CVE-2012-1820

Severity: low (CVSS 2.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-06-13 · updated 2026-06-16

Description

The bgp_capability_orf function in bgpd in Quagga 0.99.20.1 and earlier allows remote attackers to cause a denial of service (assertion failure and daemon exit) by leveraging a BGP peering relationship and sending a malformed Outbound Route Filtering (ORF) capability TLV in an OPEN message.

Affected products

quagga: through 0.99.20.1; 0.95, 0.96, 0.96.1, 0.96.2, 0.96.3, 0.96.4 (+34)

References

http://rhn.redhat.com/errata/RHSA-2012-1259.html
http://secunia.com/advisories/50941
http://www.debian.org/security/2012/dsa-2497
http://www.kb.cert.org/vuls/id/962587
http://www.securityfocus.com/bid/53775
http://www.ubuntu.com/usn/USN-1605-1
http://rhn.redhat.com/errata/RHSA-2012-1259.html
http://secunia.com/advisories/50941
http://www.debian.org/security/2012/dsa-2497
http://www.kb.cert.org/vuls/id/962587
http://www.securityfocus.com/bid/53775
http://www.ubuntu.com/usn/USN-1605-1

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