Improper input validation in Strongswan

CVE-2017-9022

The gmp plugin in strongSwan before 5.5.3 does not properly validate RSA public keys before calling mpz_powm_sec, which allows remote peers to cause a denial of service (floating point exception and process crash) via a crafted certificate.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.017 (75.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-9022?
CVE-2017-9022 is a high-severity vulnerability in Strongswan, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2017-06-08.
How severe is CVE-2017-9022?
High severity. CVSS v3 base score is 7.5 out of 10.