CVE-2022-40617
Last modified
CVE-2022-40617 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. strongSwan before 5.9.8 allows remote attackers to cause a denial of service in the revocation plugin by sending a crafted end-entity (and intermediate CA) certificate that contains a CRL/OCSP URL that points to a server (under the attacker's control) that doesn't properly respond but (for example) just does nothing after the initial TCP handshake, or sends an excessive amount of application data.. EPSS estimates a 1.63% chance of exploitation in the next 30 days.
Description
strongSwan before 5.9.8 allows remote attackers to cause a denial of service in the revocation plugin by sending a crafted end-entity (and intermediate CA) certificate that contains a CRL/OCSP URL that points to a server (under the attacker's control) that doesn't properly respond but (for example) just does nothing after the initial TCP handshake, or sends an excessive amount of application data.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Strongswan | Strongswan | < 5.9.8 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 20.04 |
| Canonical | Ubuntu Linux | 22.04 |
| Debian | Debian Linux | 10.0 |
| Debian | Debian Linux | 11.0 |
| Fedoraproject | Fedora | 37 |
| Stormshield | Stormshield Network Security | >= 3.11.1, < 3.11.20 |
| Stormshield | Stormshield Network Security | >= 4.3.1, < 4.3.15 |
| Stormshield | Stormshield Network Security | >= 4.5.1, < 4.6.0 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
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