SUSE-SU-2023:0475-1: moderate: Security update for gnutls

[sle-security-updates at lists.suse.com]

# Security update for gnutls

Announcement ID: SUSE-SU-2023:0475-1  
Rating: moderate  
References:

  * #1207183
  * #1208143
  * #1208146

  
Cross-References:

  * CVE-2023-0361

  
CVSS scores:

  * CVE-2023-0361 ( SUSE ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

  
Affected Products:

  * Basesystem Module 15-SP4
  * openSUSE Leap 15.4
  * SUSE Linux Enterprise Desktop 15 SP4
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise Real Time 15 SP4
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4
  * SUSE Manager Proxy 4.3
  * SUSE Manager Retail Branch Server 4.3
  * SUSE Manager Server 4.3

  
  
An update that solves one vulnerability and has two fixes can now be installed.

## Description:

This update for gnutls fixes the following issues:

  * CVE-2023-0361: Fixed a Bleichenbacher oracle in the TLS RSA key exchange
    (bsc#1208143).

  * FIPS: Make the jitterentropy calls thread-safe (bsc#1208146).

  * FIPS: GnuTLS DH/ECDH PCT public key regeneration (bsc#1207183).

## Patch Instructions:

To install this SUSE Moderate update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * openSUSE Leap 15.4  
    zypper in -t patch openSUSE-SLE-15.4-2023-475=1

  * Basesystem Module 15-SP4  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP4-2023-475=1

## Package List:

  * openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64)
    * libgnutlsxx28-3.7.3-150400.4.27.1
    * libgnutlsxx28-debuginfo-3.7.3-150400.4.27.1
    * gnutls-guile-debuginfo-3.7.3-150400.4.27.1
    * gnutls-debugsource-3.7.3-150400.4.27.1
    * gnutls-guile-3.7.3-150400.4.27.1
    * libgnutls-devel-3.7.3-150400.4.27.1
    * libgnutls30-debuginfo-3.7.3-150400.4.27.1
    * libgnutls30-3.7.3-150400.4.27.1
    * gnutls-debuginfo-3.7.3-150400.4.27.1
    * libgnutlsxx-devel-3.7.3-150400.4.27.1
    * gnutls-3.7.3-150400.4.27.1
    * libgnutls30-hmac-3.7.3-150400.4.27.1
  * openSUSE Leap 15.4 (x86_64)
    * libgnutls30-32bit-debuginfo-3.7.3-150400.4.27.1
    * libgnutls-devel-32bit-3.7.3-150400.4.27.1
    * libgnutls30-32bit-3.7.3-150400.4.27.1
    * libgnutls30-hmac-32bit-3.7.3-150400.4.27.1
  * Basesystem Module 15-SP4 (aarch64 ppc64le s390x x86_64)
    * libgnutlsxx28-3.7.3-150400.4.27.1
    * libgnutlsxx28-debuginfo-3.7.3-150400.4.27.1
    * gnutls-debugsource-3.7.3-150400.4.27.1
    * libgnutls-devel-3.7.3-150400.4.27.1
    * libgnutls30-debuginfo-3.7.3-150400.4.27.1
    * libgnutls30-3.7.3-150400.4.27.1
    * gnutls-debuginfo-3.7.3-150400.4.27.1
    * libgnutlsxx-devel-3.7.3-150400.4.27.1
    * gnutls-3.7.3-150400.4.27.1
    * libgnutls30-hmac-3.7.3-150400.4.27.1
  * Basesystem Module 15-SP4 (x86_64)
    * libgnutls30-hmac-32bit-3.7.3-150400.4.27.1
    * libgnutls30-32bit-debuginfo-3.7.3-150400.4.27.1
    * libgnutls30-32bit-3.7.3-150400.4.27.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-0361.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1207183
  * https://bugzilla.suse.com/show_bug.cgi?id=1208143
  * https://bugzilla.suse.com/show_bug.cgi?id=1208146

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