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CVE-2021-45079

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.

Risk Information

Base Score
9.1
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS Score
Exploitation Probability
0.113

Associated Vulnerability

VulnerabilityOS Platform
strongswan security update(DSA-5056-1) strongswan_5.7.2-1+deb10u2_all.debLinux
strongswan security update(DSA-5056-1) strongswan_5.9.1-1+deb11u2_all.debLinux
IPsec VPN solution (USN-5250-1) strongswan_5.6.2-1ubuntu2.9_all.debLinux
IPsec VPN solution (USN-5250-1) strongswan_5.8.2-1ubuntu3.5_all.debLinux
IPsec VPN solution (USN-5250-1) strongswan_5.9.1-1ubuntu3.2_all.debLinux
IPsec VPN solution (USN-5250-1) libstrongswan_5.6.2-1ubuntu2.9_i386.debLinux
IPsec VPN solution (USN-5250-1) libstrongswan_5.6.2-1ubuntu2.9_amd64.debLinux
IPsec VPN solution (USN-5250-1) libstrongswan_5.8.2-1ubuntu3.5_amd64.debLinux
IPsec VPN solution (USN-5250-1) libstrongswan_5.9.1-1ubuntu3.2_amd64.debLinux
SUSE-SU-2022:0202-1(SUSE Linux Enterprise Server 12-SP5 ) strongswan-5.1.3-26.20.1.x86_64.rpmLinux
SUSE-SU-2022:0202-1(SUSE Linux Enterprise Server 12-SP5 ) strongswan-debugsource-5.1.3-26.20.1.x86_64.rpmLinux
SUSE-SU-2022:0202-1(SUSE Linux Enterprise Server 12-SP5 ) strongswan-doc-5.1.3-26.20.1.noarch.rpmLinux
SUSE-SU-2022:0202-1(SUSE Linux Enterprise Server 12-SP5 ) strongswan-hmac-5.1.3-26.20.1.x86_64.rpmLinux
SUSE-SU-2022:0202-1(SUSE Linux Enterprise Server 12-SP5 ) strongswan-ipsec-5.1.3-26.20.1.x86_64.rpmLinux
SUSE-SU-2022:0202-1(SUSE Linux Enterprise Server 12-SP5 ) strongswan-ipsec-debuginfo-5.1.3-26.20.1.x86_64.rpmLinux
SUSE-SU-2022:0202-1(SUSE Linux Enterprise Server 12-SP5 ) strongswan-libs0-5.1.3-26.20.1.x86_64.rpmLinux
SUSE-SU-2022:0202-1(SUSE Linux Enterprise Server 12-SP5 ) strongswan-libs0-debuginfo-5.1.3-26.20.1.x86_64.rpmLinux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234