CVE-2018-5379
CVE-2018-5379 is a high-severity vulnerability in Quagga with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 39% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-415.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 7.5
- EPSS exploit prediction: 39% (98th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-415
- Affected product: Quagga
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2018-5379?
- CVE-2018-5379 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-5379 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 39% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-5379?
- CVE-2018-5379 primarily affects Quagga. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2018-5379?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2018-5379 published?
- CVE-2018-5379 was published on 2018-02-19 and last updated on 2026-06-17.
References
- http://savannah.nongnu.org/forum/forum.php?forum_id=9095
- http://www.kb.cert.org/vuls/id/940439
- http://www.securityfocus.com/bid/103105
- https://access.redhat.com/errata/RHSA-2018:0377
- https://cert-portal.siemens.com/productcert/pdf/ssa-451142.pdf
- https://gogs.quagga.net/Quagga/quagga/src/master/doc/security/Quagga-2018-1114.txt
- https://lists.debian.org/debian-lts-announce/2018/02/msg00021.html
- https://security.gentoo.org/glsa/201804-17
- https://usn.ubuntu.com/3573-1/
- https://www.debian.org/security/2018/dsa-4115
Affected products (17)
- cpe:2.3:a:quagga:quagga:*:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.4:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:ruggedcom_rox_ii_firmware:*:*:*:*:*:*:*:*
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- CVE-2016-2342 — High (CVSS 8.1): The bgp_nlri_parse_vpnv4 function in bgp_mplsvpn.c in the VPNv4 NLRI parser in bgpd in Quagga before 1.0.20160309, when…
- CVE-2021-44038 — High (CVSS 7.8): An issue was discovered in Quagga through 1.2.4. Unsafe chown/chmod operations in the suggested spec file allow users…
- CVE-2017-16227 — High (CVSS 7.5): The aspath_put function in bgpd/bgp_aspath.c in Quagga before 1.2.2 allows remote attackers to cause a denial of…
- CVE-2017-5495 — High (CVSS 7.5): All versions of Quagga, 0.93 through 1.1.0, are vulnerable to an unbounded memory allocation in the telnet 'vty' CLI,…
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- CVE-2026-31609 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: avoid double-free in…
- CVE-2026-31608 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: server: avoid double-free in…