What’s Vulnerable › Vulnerabilities

CVE-2017-9022

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-06-08 · updated 2026-06-17
• Weakness: CWE-20

Description

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.

Affected products

• Canonical Ubuntu Linux: 14.04, 16.04, 16.10, 17.04
• Debian Linux: 8.0, 9.0
• strongSwan: through 5.5.2

References

• http://www.debian.org/security/2017/dsa-3866
• http://www.securityfocus.com/bid/98760
• http://www.ubuntu.com/usn/USN-3301-1
• https://www.strongswan.org/blog/2017/05/30/strongswan-vulnerability-%28cve-2017-9022%29.html
• http://www.debian.org/security/2017/dsa-3866
• http://www.securityfocus.com/bid/98760
• http://www.ubuntu.com/usn/USN-3301-1
• https://www.strongswan.org/blog/2017/05/30/strongswan-vulnerability-%28cve-2017-9022%29.html

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