Buffer overflow in Strongswan
CVE-2018-17540
The gmp plugin in strongSwan before 5.7.1 has a Buffer Overflow via a crafted certificate.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.035 (88.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.035 · newest: 0.035 · change: 0.000
Affected products
- Strongswan
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
References
- www.debian.org/security/2018/dsa-4309 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2018/10/msg00001.html (mailing-list, Mailing List, Third Party Advisory)
- www.strongswan.org/blog/2018/10/01/strongswan-vulnerability-(cve-2018-17540).ht…
- usn.ubuntu.com/3774-1/ (vendor-advisory, Third Party Advisory)
- download.strongswan.org/security/CVE-2018-17540/ (Patch, Vendor Advisory)
- security.gentoo.org/glsa/201811-16 (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)
Frequently asked questions
- What is CVE-2018-17540?
- CVE-2018-17540 is a high-severity vulnerability in Strongswan, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2018-10-03.
- How severe is CVE-2018-17540?
- High severity. CVSS v3 base score is 7.5 out of 10.