Double Free in Quagga Bgpd
CVE-2018-5379
The Quagga BGP daemon (bgpd) prior to version 1.2.3 can double-free memory when processing certain forms of UPDATE message, containing cluster-list and/or unknown attributes. A successful attack could cause a denial of service or potentially allow an attacker to execute arbitrary code.
Vulnerability class: Double Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.385 (98.6th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.385 · newest: 0.385 · change: 0.000
Affected products
- Quagga Bgpd — versions bpgd
- Quagga
- Siemens Ruggedcom Rox Ii
- Siemens Ruggedcom Rox Ii Firmware
- Canonical Ubuntu Linux — versions 14.04, 16.04, 17.10
- Debian Linux — versions 7.0, 8.0, 9.0
- Red Hat Enterprise Linux Server — versions 7.0
- Red Hat Enterprise Linux Server Aus — versions 7.4, 7.6
- Red Hat Enterprise Linux Server Eus — versions 7.4, 7.5, 7.6
- Red Hat Enterprise Linux Server Tus — versions 7.4, 7.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- usn.ubuntu.com/3573-1/ (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2018/dsa-4115 (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/103105 (VDB Entry, Third Party Advisory, vdb-entry)
- savannah.nongnu.org/forum/forum.php (Third Party Advisory)
- security.gentoo.org/glsa/201804-17 (vendor-advisory, Third Party Advisory)
- gogs.quagga.net/Quagga/quagga/src/master/doc/security/Quagga-2018-1114.txt (Vendor Advisory)
- lists.debian.org/debian-lts-announce/2018/02/msg00021.html (mailing-list, Mailing List, Third Party Advisory)
- www.kb.cert.org/vuls/id/940439 (US Government Resource, Third Party Advisory, third-party-advisory)
- access.redhat.com/errata/RHSA-2018:0377 (vendor-advisory, Third Party Advisory)
- cert-portal.siemens.com/productcert/pdf/ssa-451142.pdf (Third Party Advisory)
Frequently asked questions
- What is CVE-2018-5379?
- CVE-2018-5379 is a high-severity vulnerability in Quagga Bgpd, classified under Double Free. CVSS score: 7.5/10. Published 2018-02-19.
- How severe is CVE-2018-5379?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-5379 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.