CVE-2017-9022

HIGH

strongSwan < 5.5.3 - Denial of Service via RSA Public Key Validation in gmp Plugin

Title source: llm
STIX 2.1

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.

References (4)

Core 4
Core References
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2017/dsa-3866
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/98760
Third Party Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-3301-1

Scores

CVSS v3 7.5
EPSS 0.0173
EPSS Percentile 74.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-20
Status published
Products (7)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 16.10
canonical/ubuntu_linux 17.04
debian/debian_linux 8.0
debian/debian_linux 9.0
strongswan/strongswan < 5.5.2
Published Jun 08, 2017
Tracked Since Feb 18, 2026