{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"moderate"},"category":"csaf_security_advisory","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"Security update for libgcrypt","title":"Title of the patch"},{"category":"description","text":"This update for libgcrypt fixes the following issue:\n\nThe following security issue was fixed:\n\n- CVE-2018-0495: Fixed a novel side-channel attack, by enabling blinding for\n  ECDSA signatures (bsc#1097410)\n","title":"Description of the patch"},{"category":"details","text":"SUSE-SLE-Module-Basesystem-15-2018-1347","title":"Patchnames"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"SUSE ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"self","summary":"URL of this CSAF notice","url":"https://ftp.suse.com/pub/projects/security/csaf/suse-su-2018_1993-1.json"},{"category":"self","summary":"URL for SUSE-SU-2018:1993-1","url":"https://www.suse.com/support/update/announcement/2018/suse-su-20181993-1/"},{"category":"self","summary":"E-Mail link for SUSE-SU-2018:1993-1","url":"https://lists.suse.com/pipermail/sle-security-updates/2018-July/004287.html"},{"category":"self","summary":"SUSE Bug 1097410","url":"https://bugzilla.suse.com/1097410"},{"category":"self","summary":"SUSE CVE CVE-2018-0495 page","url":"https://www.suse.com/security/cve/CVE-2018-0495/"}],"title":"Security update for libgcrypt","tracking":{"current_release_date":"2018-07-19T07:28:43Z","generator":{"date":"2018-07-19T07:28:43Z","engine":{"name":"cve-database.git:bin/generate-csaf.pl","version":"1"}},"id":"SUSE-SU-2018:1993-1","initial_release_date":"2018-07-19T07:28:43Z","revision_history":[{"date":"2018-07-19T07:28:43Z","number":"1","summary":"Current version"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_version","name":"libgcrypt-devel-1.8.2-6.3.1.aarch64","product":{"name":"libgcrypt-devel-1.8.2-6.3.1.aarch64","product_id":"libgcrypt-devel-1.8.2-6.3.1.aarch64"}},{"category":"product_version","name":"libgcrypt20-1.8.2-6.3.1.aarch64","product":{"name":"libgcrypt20-1.8.2-6.3.1.aarch64","product_id":"libgcrypt20-1.8.2-6.3.1.aarch64"}},{"category":"product_version","name":"libgcrypt20-hmac-1.8.2-6.3.1.aarch64","product":{"name":"libgcrypt20-hmac-1.8.2-6.3.1.aarch64","product_id":"libgcrypt20-hmac-1.8.2-6.3.1.aarch64"}}],"category":"architecture","name":"aarch64"},{"branches":[{"category":"product_version","name":"libgcrypt-devel-1.8.2-6.3.1.ppc64le","product":{"name":"libgcrypt-devel-1.8.2-6.3.1.ppc64le","product_id":"libgcrypt-devel-1.8.2-6.3.1.ppc64le"}},{"category":"product_version","name":"libgcrypt20-1.8.2-6.3.1.ppc64le","product":{"name":"libgcrypt20-1.8.2-6.3.1.ppc64le","product_id":"libgcrypt20-1.8.2-6.3.1.ppc64le"}},{"category":"product_version","name":"libgcrypt20-hmac-1.8.2-6.3.1.ppc64le","product":{"name":"libgcrypt20-hmac-1.8.2-6.3.1.ppc64le","product_id":"libgcrypt20-hmac-1.8.2-6.3.1.ppc64le"}}],"category":"architecture","name":"ppc64le"},{"branches":[{"category":"product_version","name":"libgcrypt-devel-1.8.2-6.3.1.s390x","product":{"name":"libgcrypt-devel-1.8.2-6.3.1.s390x","product_id":"libgcrypt-devel-1.8.2-6.3.1.s390x"}},{"category":"product_version","name":"libgcrypt20-1.8.2-6.3.1.s390x","product":{"name":"libgcrypt20-1.8.2-6.3.1.s390x","product_id":"libgcrypt20-1.8.2-6.3.1.s390x"}},{"category":"product_version","name":"libgcrypt20-hmac-1.8.2-6.3.1.s390x","product":{"name":"libgcrypt20-hmac-1.8.2-6.3.1.s390x","product_id":"libgcrypt20-hmac-1.8.2-6.3.1.s390x"}}],"category":"architecture","name":"s390x"},{"branches":[{"category":"product_version","name":"libgcrypt-devel-1.8.2-6.3.1.x86_64","product":{"name":"libgcrypt-devel-1.8.2-6.3.1.x86_64","product_id":"libgcrypt-devel-1.8.2-6.3.1.x86_64"}},{"category":"product_version","name":"libgcrypt20-1.8.2-6.3.1.x86_64","product":{"name":"libgcrypt20-1.8.2-6.3.1.x86_64","product_id":"libgcrypt20-1.8.2-6.3.1.x86_64"}},{"category":"product_version","name":"libgcrypt20-32bit-1.8.2-6.3.1.x86_64","product":{"name":"libgcrypt20-32bit-1.8.2-6.3.1.x86_64","product_id":"libgcrypt20-32bit-1.8.2-6.3.1.x86_64"}},{"category":"product_version","name":"libgcrypt20-hmac-1.8.2-6.3.1.x86_64","product":{"name":"libgcrypt20-hmac-1.8.2-6.3.1.x86_64","product_id":"libgcrypt20-hmac-1.8.2-6.3.1.x86_64"}},{"category":"product_version","name":"libgcrypt20-hmac-32bit-1.8.2-6.3.1.x86_64","product":{"name":"libgcrypt20-hmac-32bit-1.8.2-6.3.1.x86_64","product_id":"libgcrypt20-hmac-32bit-1.8.2-6.3.1.x86_64"}}],"category":"architecture","name":"x86_64"},{"branches":[{"category":"product_name","name":"SUSE 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Enterprise Module for Basesystem 15"}]},"vulnerabilities":[{"cve":"CVE-2018-0495","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2018-0495"}],"notes":[{"category":"general","text":"Libgcrypt before 1.7.10 and 1.8.x before 1.8.3 allows a memory-cache side-channel attack on ECDSA signatures that can be mitigated through the use of blinding during the signing process in the _gcry_ecc_ecdsa_sign function in cipher/ecc-ecdsa.c, aka the Return Of the Hidden Number Problem or ROHNP. To discover an ECDSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Module for Basesystem 15:libgcrypt-devel-1.8.2-6.3.1.aarch64","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt-devel-1.8.2-6.3.1.ppc64le","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt-devel-1.8.2-6.3.1.s390x","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt-devel-1.8.2-6.3.1.x86_64","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-1.8.2-6.3.1.aarch64","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-1.8.2-6.3.1.ppc64le","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-1.8.2-6.3.1.s390x","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-1.8.2-6.3.1.x86_64","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-32bit-1.8.2-6.3.1.x86_64","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-hmac-1.8.2-6.3.1.aarch64","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-hmac-1.8.2-6.3.1.ppc64le","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-hmac-1.8.2-6.3.1.s390x","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-hmac-1.8.2-6.3.1.x86_64","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-hmac-32bit-1.8.2-6.3.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2018-0495","url":"https://www.suse.com/security/cve/CVE-2018-0495"},{"category":"external","summary":"SUSE Bug 1097410 for CVE-2018-0495","url":"https://bugzilla.suse.com/1097410"},{"category":"external","summary":"SUSE Bug 1121207 for CVE-2018-0495","url":"https://bugzilla.suse.com/1121207"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Linux Enterprise Module for Basesystem 15:libgcrypt-devel-1.8.2-6.3.1.aarch64","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt-devel-1.8.2-6.3.1.ppc64le","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt-devel-1.8.2-6.3.1.s390x","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt-devel-1.8.2-6.3.1.x86_64","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-1.8.2-6.3.1.aarch64","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-1.8.2-6.3.1.ppc64le","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-1.8.2-6.3.1.s390x","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-1.8.2-6.3.1.x86_64","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-32bit-1.8.2-6.3.1.x86_64","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-hmac-1.8.2-6.3.1.aarch64","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-hmac-1.8.2-6.3.1.ppc64le","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-hmac-1.8.2-6.3.1.s390x","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-hmac-1.8.2-6.3.1.x86_64","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-hmac-32bit-1.8.2-6.3.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":5.1,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.0"},"products":["SUSE Linux Enterprise Module for Basesystem 15:libgcrypt-devel-1.8.2-6.3.1.aarch64","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt-devel-1.8.2-6.3.1.ppc64le","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt-devel-1.8.2-6.3.1.s390x","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt-devel-1.8.2-6.3.1.x86_64","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-1.8.2-6.3.1.aarch64","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-1.8.2-6.3.1.ppc64le","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-1.8.2-6.3.1.s390x","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-1.8.2-6.3.1.x86_64","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-32bit-1.8.2-6.3.1.x86_64","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-hmac-1.8.2-6.3.1.aarch64","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-hmac-1.8.2-6.3.1.ppc64le","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-hmac-1.8.2-6.3.1.s390x","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-hmac-1.8.2-6.3.1.x86_64","SUSE Linux Enterprise Module for Basesystem 15:libgcrypt20-hmac-32bit-1.8.2-6.3.1.x86_64"]}],"threats":[{"category":"impact","date":"2018-07-19T07:28:43Z","details":"moderate"}],"title":"CVE-2018-0495"}]}