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.

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.

EPSS: 0.022 (80.9th percentile) — read the EPSS interpretation.

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.

Affected products

Strongswan
N/a — versions n/a

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
cve@mitre.org (x_refsource_CONFIRM)
cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
cve@mitre.org (x_refsource_UBUNTU, 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.