Security update for libgcrypt SUSE Patch security@suse.de SUSE Security Team SUSE-SU-2017:1793-1 Final 1 1 2017-07-06T09:35:37Z current 2017-07-06T09:35:37Z 2017-07-06T09:35:37Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for libgcrypt This update for libgcrypt fixes the following issues: - CVE-2017-7526: Hardening a against local side-channel attack in RSA key handling has been added (bsc#1046607) The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). sdksp4-libgcrypt-13198,slessp4-libgcrypt-13198 Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) https://www.suse.com/support/update/announcement/2017/suse-su-20171793-1/ Link for SUSE-SU-2017:1793-1 https://lists.suse.com/pipermail/sle-security-updates/2017-July/003013.html E-Mail link for SUSE-SU-2017:1793-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1046607 SUSE Bug 1046607 https://www.suse.com/security/cve/CVE-2017-7526/ SUSE CVE CVE-2017-7526 page SUSE Linux Enterprise Server 11 SP4 SUSE Linux Enterprise Server for SAP Applications 11 SP4 SUSE Linux Enterprise Software Development Kit 11 SP4 libgcrypt-devel-1.5.0-0.25.1 libgcrypt-devel-32bit-1.5.0-0.25.1 libgcrypt11-1.5.0-0.25.1 libgcrypt11-32bit-1.5.0-0.25.1 libgcrypt11-x86-1.5.0-0.25.1 libgcrypt11-1.5.0-0.25.1 as a component of SUSE Linux Enterprise Server 11 SP4 libgcrypt11-32bit-1.5.0-0.25.1 as a component of SUSE Linux Enterprise Server 11 SP4 libgcrypt11-x86-1.5.0-0.25.1 as a component of SUSE Linux Enterprise Server 11 SP4 libgcrypt11-1.5.0-0.25.1 as a component of SUSE Linux Enterprise Server for SAP Applications 11 SP4 libgcrypt11-32bit-1.5.0-0.25.1 as a component of SUSE Linux Enterprise Server for SAP Applications 11 SP4 libgcrypt11-x86-1.5.0-0.25.1 as a component of SUSE Linux Enterprise Server for SAP Applications 11 SP4 libgcrypt-devel-1.5.0-0.25.1 as a component of SUSE Linux Enterprise Software Development Kit 11 SP4 libgcrypt-devel-32bit-1.5.0-0.25.1 as a component of SUSE Linux Enterprise Software Development Kit 11 SP4 libgcrypt before version 1.7.8 is vulnerable to a cache side-channel attack resulting into a complete break of RSA-1024 while using the left-to-right method for computing the sliding-window expansion. The same attack is believed to work on RSA-2048 with moderately more computation. This side-channel requires that attacker can run arbitrary software on the hardware where the private RSA key is used. CVE-2017-7526 SUSE Linux Enterprise Server 11 SP4:libgcrypt11-1.5.0-0.25.1 SUSE Linux Enterprise Server 11 SP4:libgcrypt11-32bit-1.5.0-0.25.1 SUSE Linux Enterprise Server 11 SP4:libgcrypt11-x86-1.5.0-0.25.1 SUSE Linux Enterprise Server for SAP Applications 11 SP4:libgcrypt11-1.5.0-0.25.1 SUSE Linux Enterprise Server for SAP Applications 11 SP4:libgcrypt11-32bit-1.5.0-0.25.1 SUSE Linux Enterprise Server for SAP Applications 11 SP4:libgcrypt11-x86-1.5.0-0.25.1 SUSE Linux Enterprise Software Development Kit 11 SP4:libgcrypt-devel-1.5.0-0.25.1 SUSE Linux Enterprise Software Development Kit 11 SP4:libgcrypt-devel-32bit-1.5.0-0.25.1 moderate 1.2 AV:L/AC:H/Au:N/C:P/I:N/A:N 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2017/suse-su-20171793-1/ https://www.suse.com/security/cve/CVE-2017-7526.html CVE-2017-7526 https://bugzilla.suse.com/1046607 SUSE Bug 1046607 https://bugzilla.suse.com/1047462 SUSE Bug 1047462 https://bugzilla.suse.com/1123792 SUSE Bug 1123792