Vulnerability in Strongswan
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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.022 (82.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.securityfocus.com/bid/98756 (VDB Entry, Third Party Advisory, vdb-entry)
- www.strongswan.org/blog/2017/05/30/strongswan-vulnerability-(cve-2017-9023).html
- www.debian.org/security/2017/dsa-3866 (vendor-advisory, Third Party Advisory)
- www.ubuntu.com/usn/USN-3301-1 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-9023?
- CVE-2017-9023 is a high-severity vulnerability in Strongswan, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2017-06-08.
- How severe is CVE-2017-9023?
- High severity. CVSS v3 base score is 7.5 out of 10.