SUSE update for openssl-ibmca



| Updated: 2023-04-28
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-204
Exploitation vector Network
Public exploit N/A
Vulnerable software
SUSE Linux Enterprise Micro for Rancher
Operating systems & Components / Operating system

Server Applications Module
Operating systems & Components / Operating system

SUSE Linux Enterprise Micro
Operating systems & Components / Operating system

SUSE Linux Enterprise Server for SAP Applications 15
Operating systems & Components / Operating system

SUSE Linux Enterprise Server 15
Operating systems & Components / Operating system

SUSE Linux Enterprise Real Time 15
Operating systems & Components / Operating system

SUSE Linux Enterprise High Performance Computing 15
Operating systems & Components / Operating system

SUSE Manager Retail Branch Server
Operating systems & Components / Operating system

SUSE Manager Server
Operating systems & Components / Operating system

SUSE Manager Proxy
Operating systems & Components / Operating system

openSUSE Leap
Operating systems & Components / Operating system

openssl-ibmca-debuginfo
Operating systems & Components / Operating system package or component

openssl-ibmca
Operating systems & Components / Operating system package or component

openssl-ibmca-debugsource
Operating systems & Components / Operating system package or component

Vendor SUSE

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Observable response discrepancy

EUVDB-ID: #VU75558

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: N/A

CWE-ID: CWE-204 - Observable Response Discrepancy

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to observable discrepancy in the IBMCA engine. A remote attacker can perform a timing-based side channel attack in RSA.

Mitigation

Update the affected package openssl-ibmca to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Micro for Rancher: 5.4

Server Applications Module: 15-SP4

SUSE Linux Enterprise Micro: 5.4

SUSE Linux Enterprise Server for SAP Applications 15: SP4

SUSE Linux Enterprise Server 15: SP4

SUSE Linux Enterprise Real Time 15: SP4

SUSE Linux Enterprise High Performance Computing 15: SP4

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

openSUSE Leap: 15.4

openssl-ibmca-debuginfo: before 2.4.0-150400.4.8.1

openssl-ibmca: before 2.4.0-150400.4.8.1

openssl-ibmca-debugsource: before 2.4.0-150400.4.8.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2023/suse-su-20232046-1/


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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