Risk | High |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-45079 |
CWE-ID | CWE-371 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software |
SUSE Linux Enterprise Realtime Extension Operating systems & Components / Operating system SUSE Linux Enterprise Server Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing Operating systems & Components / Operating system SUSE Enterprise Storage Operating systems & Components / Operating system SUSE Linux Enterprise Workstation Extension Operating systems & Components / Operating system SUSE Manager Server Operating systems & Components / Operating system SUSE Manager Retail Branch Server Operating systems & Components / Operating system SUSE Manager Proxy Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Operating systems & Components / Operating system SUSE Linux Enterprise Module for Basesystem Operating systems & Components / Operating system SUSE Linux Enterprise Desktop Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Applications Operating systems & Components / Operating system SUSE Linux Enterprise Module for Packagehub Subpackages Operating systems & Components / Operating system package or component strongswan-nm-debuginfo Operating systems & Components / Operating system package or component strongswan-nm Operating systems & Components / Operating system package or component strongswan-doc Operating systems & Components / Operating system package or component strongswan-libs0-debuginfo Operating systems & Components / Operating system package or component strongswan-libs0 Operating systems & Components / Operating system package or component strongswan-ipsec-debuginfo Operating systems & Components / Operating system package or component strongswan-ipsec Operating systems & Components / Operating system package or component strongswan-hmac Operating systems & Components / Operating system package or component strongswan-debugsource Operating systems & Components / Operating system package or component strongswan-debuginfo Operating systems & Components / Operating system package or component strongswan Operating systems & Components / Operating system package or component |
Vendor | SUSE |
Security Bulletin
This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU59994
Risk: High
CVSSv4.0: 6.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2021-45079
CWE-ID:
CWE-371 - State Issues
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authentication.
The vulnerability exists due to improper handling of EAP-Success messages. A remote attacker can send a specially crafted (early) EAP-Success message to the affected system and bypass authentication or perform a denial of service attack.
Update the affected package strongswan to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Realtime Extension: 15-SP2
SUSE Linux Enterprise Server: 15-SP2-BCL - 15-SP4
SUSE Linux Enterprise High Performance Computing: 15-SP2-ESPOS - 15-SP4
SUSE Enterprise Storage: 7.1
SUSE Linux Enterprise Workstation Extension: 15-SP3 - 15-SP4
SUSE Linux Enterprise Module for Packagehub Subpackages: 15-SP3 - 15-SP4
SUSE Manager Server: 4.1 - 4.2
SUSE Manager Retail Branch Server: 4.1
SUSE Manager Proxy: 4.1 - 4.2
SUSE Linux Enterprise Server for SAP: 15-SP2
SUSE Linux Enterprise Module for Basesystem: 15-SP3 - 15-SP4
SUSE Linux Enterprise Desktop: 15-SP3 - 15-SP4
SUSE Linux Enterprise Server for SAP Applications: 15-SP3 - 15-SP4
strongswan-nm-debuginfo: before 5.8.2-11.24.1
strongswan-nm: before 5.8.2-11.24.1
strongswan-doc: before 5.8.2-11.24.1
strongswan-libs0-debuginfo: before 5.8.2-11.24.1
strongswan-libs0: before 5.8.2-11.24.1
strongswan-ipsec-debuginfo: before 5.8.2-11.24.1
strongswan-ipsec: before 5.8.2-11.24.1
strongswan-hmac: before 5.8.2-11.24.1
strongswan-debugsource: before 5.8.2-11.24.1
strongswan-debuginfo: before 5.8.2-11.24.1
strongswan: before 5.8.2-11.24.1
CPE2.3https://www.suse.com/support/update/announcement/2022/suse-su-20220492-1/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.