Vulnerability CVE-2021-45079


Published: 2022-01-31

Description:
In strongSwan before 5.9.5, a malicious responder can send an EAP-Success message too early without actually authenticating the client and (in the case of EAP methods with mutual authentication and EAP-only authentication for IKEv2) even without server authentication.

Type:

CWE-287

(Improper Authentication)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.8/10
4.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
Partial
Affected software
Strongswan -> Strongswan 
Fedoraproject -> Extra packages for enterprise linux 
Fedoraproject -> Fedora extra packages for enterprise linux 
Fedoraproject -> Fedora 
Debian -> Debian linux 
Canonical -> Ubuntu linux 

 References:
https://www.strongswan.org/blog/2022/01/24/strongswan-vulnerability-(cve-2021-45079).html

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