Vulnerability Details : 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.
Vulnerability category: Denial of service
Products affected by CVE-2017-9023
- cpe:2.3:a:strongswan:strongswan:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-9023
0.46%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 75 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-9023
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2017-9023
-
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-9023
-
http://www.ubuntu.com/usn/USN-3301-1
USN-3301-1: strongSwan vulnerabilities | Ubuntu security noticesThird Party Advisory
-
http://www.debian.org/security/2017/dsa-3866
Debian -- Security Information -- DSA-3866-1 strongswanThird Party Advisory
-
http://www.securityfocus.com/bid/98756
strongSwan CVE-2017-9023 Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
https://www.strongswan.org/blog/2017/05/30/strongswan-vulnerability-(cve-2017-9023).html
strongSwan - strongSwan Vulnerability (CVE-2017-9023)
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