SUSE update for strongswan



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 Server for SAP
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 CaaS Platform
Operating systems & Components / Operating system

SUSE Linux Enterprise Server
Operating systems & Components / Operating system

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.

1) State Issues

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

Description

The 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.

Mitigation

Update the affected package strongswan to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server for SAP: 15-SP1 - 15-SP3

SUSE Linux Enterprise High Performance Computing: 15-LTSS - 15-SP1-ESPOS

SUSE Enterprise Storage: 6

SUSE CaaS Platform: 4.0

SUSE Linux Enterprise Server: 15-LTSS - 15-SP1-LTSS

strongswan-doc: before 5.8.2-4.17.1

strongswan-libs0-debuginfo: before 5.8.2-4.17.1

strongswan-libs0: before 5.8.2-4.17.1

strongswan-ipsec-debuginfo: before 5.8.2-4.17.1

strongswan-ipsec: before 5.8.2-4.17.1

strongswan-hmac: before 5.8.2-4.17.1

strongswan-debugsource: before 5.8.2-4.17.1

strongswan-debuginfo: before 5.8.2-4.17.1

strongswan: before 5.8.2-4.17.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2022/suse-su-20220211-1/


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.



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