CVE-2018-5378

Severity: medium (CVSS 5.9 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 74.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-02-19 · updated 2026-06-17
Weakness: CWE-119

Description

The Quagga BGP daemon (bgpd) prior to version 1.2.3 does not properly bounds check the data sent with a NOTIFY to a peer, if an attribute length is invalid. Arbitrary data from the bgpd process may be sent over the network to a peer and/or bgpd may crash.

Affected products

Canonical Ubuntu Linux: 14.04, 16.04, 17.10
Debian Linux: 8.0, 9.0
quagga: through 1.2.2

References

http://savannah.nongnu.org/forum/forum.php?forum_id=9095
http://www.kb.cert.org/vuls/id/940439
https://gogs.quagga.net/Quagga/quagga/src/master/doc/security/Quagga-2018-0543.txt
https://security.gentoo.org/glsa/201804-17
https://usn.ubuntu.com/3573-1/
https://www.debian.org/security/2018/dsa-4115
http://savannah.nongnu.org/forum/forum.php?forum_id=9095
http://www.kb.cert.org/vuls/id/940439
https://gogs.quagga.net/Quagga/quagga/src/master/doc/security/Quagga-2018-0543.txt
https://security.gentoo.org/glsa/201804-17
https://usn.ubuntu.com/3573-1/
https://www.debian.org/security/2018/dsa-4115

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