VulnerabilityModified
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.
HIGH 7.5EPSS 1.73%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.73%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.73% probability · 76th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- strongswan/strongswan · debian/debian linux · canonical/ubuntu linux
- Source
- cve@mitre.org
References
- http://www.debian.org/security/2017/dsa-3866Third Party Advisory
- http://www.securityfocus.com/bid/98760Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-3301-1Third Party Advisory
- https://www.strongswan.org/blog/2017/05/30/strongswan-vulnerability-%28cve-2017-9022%29.html
- http://www.debian.org/security/2017/dsa-3866Third Party Advisory
- http://www.securityfocus.com/bid/98760Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-3301-1Third Party Advisory
- https://www.strongswan.org/blog/2017/05/30/strongswan-vulnerability-%28cve-2017-9022%29.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.