Buffer overflow in Quagga Bgpd

CVE-2018-5378

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…

Vulnerability class: Buffer Overflow

EPSS: 0.746 (99.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cret@cert.org (x_refsource_CONFIRM, Vendor Advisory)
  • cret@cert.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
  • cret@cert.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
  • cret@cert.org (x_refsource_CONFIRM, Third Party Advisory)
  • cret@cert.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
  • cret@cert.org (US Government Resource, x_refsource_CERT-VN, Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2018-5378?
CVE-2018-5378 is a high-severity vulnerability in Quagga Bgpd, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.1/10. Published 2018-02-19.
How severe is CVE-2018-5378?
High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2018-5378 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.