Buffer overflow in Strongswan
CVE-2018-5388
In stroke_socket.c in strongSwan before 5.6.3, a missing packet length check could allow a buffer underflow, which may lead to resource exhaustion and denial of service while reading from the socket.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.040 (90.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.040 · newest: 0.040 · change: 0.000
Affected products
- Strongswan — versions 5.6.3
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
References
- www.kb.cert.org/vuls/id/338343 (US Government Resource, Third Party Advisory, third-party-advisory)
- security.gentoo.org/glsa/201811-16 (vendor-advisory, Third Party Advisory)
- git.strongswan.org/
- www.securityfocus.com/bid/104263 (VDB Entry, Third Party Advisory, vdb-entry)
- usn.ubuntu.com/3771-1/ (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2018/dsa-4229 (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-11/msg00077.html (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2019-12/msg00001.html (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2020-03/msg00047.html (vendor-advisory)
- packetstormsecurity.com/files/172833/strongSwan-VPN-Charon-Server-Buffer-Overfl…
Frequently asked questions
- What is CVE-2018-5388?
- CVE-2018-5388 is a medium-severity vulnerability in Strongswan, classified under Buffer Underwrite. CVSS score: 6.5/10. Published 2018-05-31.
- How severe is CVE-2018-5388?
- Medium severity. CVSS v3 base score is 6.5 out of 10.