CVE-2018-5381

NameCVE-2018-5381
DescriptionThe Quagga BGP daemon (bgpd) prior to version 1.2.3 has a bug in its parsing of "Capabilities" in BGP OPEN messages, in the bgp_packet.c:bgp_capability_msg_parse function. The parser can enter an infinite loop on invalid capabilities if a Multi-Protocol capability does not have a recognized AFI/SAFI, causing a denial of service.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1286-1, DSA-4115-1
Debian Bugs890563

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
quagga (PTS)buster1.2.4-3fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
quaggasourcewheezy0.99.22.4-1+wheezy3+deb7u3DLA-1286-1
quaggasourcejessie0.99.23.1-1+deb8u5DSA-4115-1
quaggasourcestretch1.1.1-3+deb9u2DSA-4115-1
quaggasource(unstable)1.2.4-1890563

Notes

https://www.quagga.net/security/Quagga-2018-1975.txt
https://git.savannah.gnu.org/cgit/quagga.git/commit/?id=ce07207c50a3d1f05d6dd49b5294282e59749787

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