CVE-2018-17540

moderate-risk

Published 2018-10-03

The gmp plugin in strongSwan before 5.7.1 has a Buffer Overflow via a crafted certificate.

Do I need to act?

4.0% chance of exploitation in next 30 days

EPSS score — moderate exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.5/10 High

NETWORK / LOW complexity

Strongswan

Debian Linux

Ubuntu Linux

Debian Strongswan Canonical

Patch https://download.strongswan.org/security/CVE-2018-17540/

Mailing List https://lists.debian.org/debian-lts-announce/2018/10/msg00001.html

Third Party Advisory https://security.gentoo.org/glsa/201811-16

Third Party Advisory https://usn.ubuntu.com/3774-1/

Third Party Advisory https://www.debian.org/security/2018/dsa-4309

Patch https://download.strongswan.org/security/CVE-2018-17540/

Mailing List https://lists.debian.org/debian-lts-announce/2018/10/msg00001.html

Third Party Advisory https://security.gentoo.org/glsa/201811-16

Third Party Advisory https://usn.ubuntu.com/3774-1/

Third Party Advisory https://www.debian.org/security/2018/dsa-4309

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moderate-risk

Severity 26/34 · High

Exploitability 7/34 · Low

Exposure 13/34 · Low