SUSE: 2020:1584-1 important: gnutls
Summary
This update for gnutls fixes the following issues: - CVE-2020-13777: Fixed an insecure session ticket key construction which could have made the TLS server to not bind the session ticket encryption key with a value supplied by the application until the initial key rotation, allowing an attacker to bypass authentication in TLS 1.3 and recover previous conversations in TLS 1.2 (bsc#1172506). - Fixed an improper handling of certificate chain with cross-signed intermediate CA certificates (bsc#1172461). Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - SUSE Linux Enterprise Server for SAP 15: zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2020-1584=1 - SUSE Linux Enterprise Server 15-LTSS: zypper in -t patch SUSE-SLE-Product-SLES-15-2020-1584=1 - SUSE Linux Enterprise Module for Basesystem 15-SP2: zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2020-1584=1 - SUSE Linux Enterprise Module for Basesystem 15-SP1: zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2020-1584=1 - SUSE Linux Enterprise High Performance Computing 15-LTSS: zypper in -t patch SUSE-SLE-Product-HPC-15-2020-1584=1 - SUSE Linux Enterprise High Performance Computing 15-ESPOS: zypper in -t patch SUSE-SLE-Product-HPC-15-2020-1584=1 Package List: - SUSE Linux Enterprise Server for SAP 15 (ppc64le x86_64): gnutls-3.6.7-6.29.1 gnutls-debuginfo-3.6.7-6.29.1 gnutls-debugsource-3.6.7-6.29.1 libgnutls-devel-3.6.7-6.29.1 libgnutls30-3.6.7-6.29.1 libgnutls30-debuginfo-3.6.7-6.29.1 libgnutls30-hmac-3.6.7-6.29.1 libgnutlsxx-devel-3.6.7-6.29.1 libgnutlsxx28-3.6.7-6.29.1 libgnutlsxx28-debuginfo-3.6.7-6.29.1 - SUSE Linux Enterprise Server for SAP 15 (x86_64): libgnutls30-32bit-3.6.7-6.29.1 libgnutls30-32bit-debuginfo-3.6.7-6.29.1 libgnutls30-hmac-32bit-3.6.7-6.29.1 - SUSE Linux Enterprise Server 15-LTSS (aarch64 s390x): gnutls-3.6.7-6.29.1 gnutls-debuginfo-3.6.7-6.29.1 gnutls-debugsource-3.6.7-6.29.1 libgnutls-devel-3.6.7-6.29.1 libgnutls30-3.6.7-6.29.1 libgnutls30-debuginfo-3.6.7-6.29.1 libgnutls30-hmac-3.6.7-6.29.1 libgnutlsxx-devel-3.6.7-6.29.1 libgnutlsxx28-3.6.7-6.29.1 libgnutlsxx28-debuginfo-3.6.7-6.29.1 - SUSE Linux Enterprise Module for Basesystem 15-SP2 (aarch64 ppc64le s390x x86_64): gnutls-3.6.7-6.29.1 gnutls-debuginfo-3.6.7-6.29.1 gnutls-debugsource-3.6.7-6.29.1 libgnutls-devel-3.6.7-6.29.1 libgnutls30-3.6.7-6.29.1 libgnutls30-debuginfo-3.6.7-6.29.1 libgnutls30-hmac-3.6.7-6.29.1 libgnutlsxx-devel-3.6.7-6.29.1 libgnutlsxx28-3.6.7-6.29.1 libgnutlsxx28-debuginfo-3.6.7-6.29.1 - SUSE Linux Enterprise Module for Basesystem 15-SP2 (x86_64): libgnutls30-32bit-3.6.7-6.29.1 libgnutls30-32bit-debuginfo-3.6.7-6.29.1 libgnutls30-hmac-32bit-3.6.7-6.29.1 - SUSE Linux Enterprise Module for Basesystem 15-SP1 (aarch64 ppc64le s390x x86_64): gnutls-3.6.7-6.29.1 gnutls-debuginfo-3.6.7-6.29.1 gnutls-debugsource-3.6.7-6.29.1 libgnutls-devel-3.6.7-6.29.1 libgnutls30-3.6.7-6.29.1 libgnutls30-debuginfo-3.6.7-6.29.1 libgnutls30-hmac-3.6.7-6.29.1 libgnutlsxx-devel-3.6.7-6.29.1 libgnutlsxx28-3.6.7-6.29.1 libgnutlsxx28-debuginfo-3.6.7-6.29.1 - SUSE Linux Enterprise Module for Basesystem 15-SP1 (x86_64): libgnutls30-32bit-3.6.7-6.29.1 libgnutls30-32bit-debuginfo-3.6.7-6.29.1 libgnutls30-hmac-32bit-3.6.7-6.29.1 - SUSE Linux Enterprise High Performance Computing 15-LTSS (aarch64 x86_64): gnutls-3.6.7-6.29.1 gnutls-debuginfo-3.6.7-6.29.1 gnutls-debugsource-3.6.7-6.29.1 libgnutls-devel-3.6.7-6.29.1 libgnutls30-3.6.7-6.29.1 libgnutls30-debuginfo-3.6.7-6.29.1 libgnutls30-hmac-3.6.7-6.29.1 libgnutlsxx-devel-3.6.7-6.29.1 libgnutlsxx28-3.6.7-6.29.1 libgnutlsxx28-debuginfo-3.6.7-6.29.1 - SUSE Linux Enterprise High Performance Computing 15-LTSS (x86_64): libgnutls30-32bit-3.6.7-6.29.1 libgnutls30-32bit-debuginfo-3.6.7-6.29.1 libgnutls30-hmac-32bit-3.6.7-6.29.1 - SUSE Linux Enterprise High Performance Computing 15-ESPOS (aarch64 x86_64): gnutls-3.6.7-6.29.1 gnutls-debuginfo-3.6.7-6.29.1 gnutls-debugsource-3.6.7-6.29.1 libgnutls-devel-3.6.7-6.29.1 libgnutls30-3.6.7-6.29.1 libgnutls30-debuginfo-3.6.7-6.29.1 libgnutls30-hmac-3.6.7-6.29.1 libgnutlsxx-devel-3.6.7-6.29.1 libgnutlsxx28-3.6.7-6.29.1 libgnutlsxx28-debuginfo-3.6.7-6.29.1 - SUSE Linux Enterprise High Performance Computing 15-ESPOS (x86_64): libgnutls30-32bit-3.6.7-6.29.1 libgnutls30-32bit-debuginfo-3.6.7-6.29.1 libgnutls30-hmac-32bit-3.6.7-6.29.1
References
#1172461 #1172506
Cross- CVE-2020-13777
Affected Products:
SUSE Linux Enterprise Server for SAP 15
SUSE Linux Enterprise Server 15-LTSS
SUSE Linux Enterprise Module for Basesystem 15-SP2
SUSE Linux Enterprise Module for Basesystem 15-SP1
SUSE Linux Enterprise High Performance Computing 15-LTSS
SUSE Linux Enterprise High Performance Computing 15-ESPOS
https://www.suse.com/security/cve/CVE-2020-13777.html
https://bugzilla.suse.com/1172461
https://bugzilla.suse.com/1172506