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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.2942 SUSE Security Update: Security update for gnutls 1 October 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: gnutls Publisher: SUSE Operating System: SUSE Impact/Access: Access Privileged Data -- Remote/Unauthenticated Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2018-10846 CVE-2018-10845 CVE-2018-10844 CVE-2017-10790 Reference: ESB-2018.2876 ESB-2018.2868 Original Bulletin: https://www.suse.com/support/update/announcement/2018/suse-su-20182930-1/ - --------------------------BEGIN INCLUDED TEXT-------------------- SUSE Security Update: Security update for gnutls ______________________________________________________________________________ Announcement ID: SUSE-SU-2018:2930-1 Rating: moderate References: #1047002 #1105437 #1105459 #1105460 Cross-References: CVE-2017-10790 CVE-2018-10844 CVE-2018-10845 CVE-2018-10846 Affected Products: SUSE Linux Enterprise Module for Desktop Applications 15 SUSE Linux Enterprise Module for Basesystem 15 ______________________________________________________________________________ An update that fixes four vulnerabilities is now available. Description: This update for gnutls fixes the following security issues: - Improved mitigations against Lucky 13 class of attacks - CVE-2018-10846: "Just in Time" PRIME + PROBE cache-based side channel attack can lead to plaintext recovery (bsc#1105460) - CVE-2018-10845: HMAC-SHA-384 vulnerable to Lucky thirteen attack due to use of wrong constant (bsc#1105459) - CVE-2018-10844: HMAC-SHA-256 vulnerable to Lucky thirteen attack due to not enough dummy function calls (bsc#1105437) - CVE-2017-10790: The _asn1_check_identifier function in Libtasn1 caused a NULL pointer dereference and crash (bsc#1047002) 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 Module for Desktop Applications 15: zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-2018-2070=1 - SUSE Linux Enterprise Module for Basesystem 15: zypper in -t patch SUSE-SLE-Module-Basesystem-15-2018-2070=1 Package List: - SUSE Linux Enterprise Module for Desktop Applications 15 (x86_64): gnutls-debugsource-3.6.2-6.3.1 libgnutls30-32bit-3.6.2-6.3.1 libgnutls30-32bit-debuginfo-3.6.2-6.3.1 - SUSE Linux Enterprise Module for Basesystem 15 (aarch64 ppc64le s390x x86_64): gnutls-3.6.2-6.3.1 gnutls-debuginfo-3.6.2-6.3.1 gnutls-debugsource-3.6.2-6.3.1 libgnutls-devel-3.6.2-6.3.1 libgnutls30-3.6.2-6.3.1 libgnutls30-debuginfo-3.6.2-6.3.1 libgnutlsxx-devel-3.6.2-6.3.1 libgnutlsxx28-3.6.2-6.3.1 libgnutlsxx28-debuginfo-3.6.2-6.3.1 References: https://www.suse.com/security/cve/CVE-2017-10790.html https://www.suse.com/security/cve/CVE-2018-10844.html https://www.suse.com/security/cve/CVE-2018-10845.html https://www.suse.com/security/cve/CVE-2018-10846.html https://bugzilla.suse.com/1047002 https://bugzilla.suse.com/1105437 https://bugzilla.suse.com/1105459 https://bugzilla.suse.com/1105460 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBW7Fc2GaOgq3Tt24GAQieGQ//ecsD0gw8A99lWDn/vKUN8BfajQrsixp+ RT5Y0T2RQr4+XFTM8fcV+YTGmgrxWf+iguvd9AF/vU2r7TV8fm40R6nK8V34GcUF tuvte2J6Ur923hKe6DkARPU9dwYfBB2Ppctavc6XwklYCiKCY80q/tdiCBmhwckH U5g+Eu+EUQMaK3LJWAY4tRK0AZwhMsodWnHAW+gZWoJDa9bjhJzNFGlWvL2VHsy8 Y1OPFQMRmXLnO5QAVjfr0AmhOTsVEmTKe5dpZLwFdOSTccZnfscro8o2cCMxMV31 DH23v87hdo4iyYAoZowIGbWylsXWcpb/Fl+VktNG5pkN3IEkq8lj/M/3M/3Zqrb5 ifjRYb5B3M8o87d5J2JiCUp2jrRZBxtgcx+LDiiuPj6u3rzt3rRmgG0rllV3GH68 i/pkISpXzF+P4u8VJLZwZjQZF4WMc8hHt6Eo8uVg5pSlh6cXhEQOWU3apfdIIPHr zMTCCcIfdiHlH16Ie9EKPx7KuTKZxyIAUAK8dg1t3YnGSxm+rsJz22B3sQKyaXvm Ux19/yW2495C/TPki0weSyvviFVKdDrzr/1kJpq6AUNvNGEjtF0u8R1leTDO5djs MP5QnLcj+7y4KCS5enQuLNsrfFt/w9VpEZja9CTybGAO/VwfXnx5An4exTUUbaTn yNMbf6jO7FA= =9zU6 -----END PGP SIGNATURE-----