CVE-2017-9023

The ASN.1 parser in strongSwan before 5.5.3 improperly handles CHOICE types when the x509 plugin is enabled, which allows remote attackers to cause a denial of service (infinite loop) via a crafted certificate.

Score

CVSS 3.1 7.5 High

Status

Modified - cve@mitre.org

Published

2017-06-08

Last modified

2025-12-03

Weaknesses

CWE-835

Affected products

• Strongswan (Strongswan)

References

• http://www.debian.org/security/2017/dsa-3866
• http://www.securityfocus.com/bid/98756
• http://www.ubuntu.com/usn/USN-3301-1
• https://www.strongswan.org/blog/2017/05/30/strongswan-vulnerability-%28cve-2017-9023%29.html