SUSE update for gnutls

Published: 2023-12-21

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-0361 CVE-2023-5981
CWE-ID	CWE-326 CWE-208
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	SUSE Linux Enterprise Server for SAP Applications 15 Operating systems & Components / Operating system SUSE Linux Enterprise Server 15 SP1 LTSS Operating systems & Components / Operating system SUSE Linux Enterprise Server 15 Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing 15 Operating systems & Components / Operating system SUSE CaaS Platform Operating systems & Components / Operating system libgnutls30-32bit-debuginfo Operating systems & Components / Operating system package or component libgnutls30-hmac-32bit Operating systems & Components / Operating system package or component libgnutls30-32bit Operating systems & Components / Operating system package or component libgnutls30-hmac Operating systems & Components / Operating system package or component libgnutlsxx-devel Operating systems & Components / Operating system package or component gnutls-debugsource Operating systems & Components / Operating system package or component libgnutls30 Operating systems & Components / Operating system package or component gnutls Operating systems & Components / Operating system package or component libgnutlsxx28 Operating systems & Components / Operating system package or component libgnutlsxx28-debuginfo Operating systems & Components / Operating system package or component libgnutls-devel Operating systems & Components / Operating system package or component libgnutls30-debuginfo Operating systems & Components / Operating system package or component gnutls-debuginfo Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Inadequate Encryption Strength

EUVDB-ID: #VU72125

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-0361

CWE-ID: CWE-326 - Inadequate Encryption Strength

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to an error in the TLS RSA key exchange. A remote attacker can perform Bleichenbacher oracle attack and decrypt information.

Mitigation

Update the affected package gnutls to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server for SAP Applications 15: SP1

SUSE Linux Enterprise Server 15 SP1 LTSS: 15-SP1

SUSE Linux Enterprise Server 15: SP1

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

SUSE Linux Enterprise High Performance Computing 15: SP1

SUSE CaaS Platform: 4.0

libgnutls30-32bit-debuginfo: before 3.6.7-150000.6.50.1

libgnutls30-hmac-32bit: before 3.6.7-150000.6.50.1

libgnutls30-32bit: before 3.6.7-150000.6.50.1

libgnutls30-hmac: before 3.6.7-150000.6.50.1

libgnutlsxx-devel: before 3.6.7-150000.6.50.1

gnutls-debugsource: before 3.6.7-150000.6.50.1

libgnutls30: before 3.6.7-150000.6.50.1

gnutls: before 3.6.7-150000.6.50.1

libgnutlsxx28: before 3.6.7-150000.6.50.1

libgnutlsxx28-debuginfo: before 3.6.7-150000.6.50.1

libgnutls-devel: before 3.6.7-150000.6.50.1

libgnutls30-debuginfo: before 3.6.7-150000.6.50.1

gnutls-debuginfo: before 3.6.7-150000.6.50.1

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20234952-1/

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.

2) Information Exposure Through Timing Discrepancy

EUVDB-ID: #VU83316