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 bgpd may crash.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.742 (99.5th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.714 · newest: 0.742 · change: +0.028
Affected products
- Quagga Bgpd — versions bpgd
- Quagga
- Canonical Ubuntu Linux — versions 14.04, 16.04, 17.10
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- gogs.quagga.net/Quagga/quagga/src/master/doc/security/Quagga-2018-0543.txt (Vendor Advisory)
- usn.ubuntu.com/3573-1/ (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2018/dsa-4115 (vendor-advisory, Third Party Advisory)
- savannah.nongnu.org/forum/forum.php (Third Party Advisory)
- security.gentoo.org/glsa/201804-17 (vendor-advisory, Third Party Advisory)
- www.kb.cert.org/vuls/id/940439 (US Government Resource, 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.