{"id":"CVE-2017-7526","aliases":["ALPINE-CVE-2017-7526","AZL-41702","BELL-CVE-2017-7526","DEBIAN-CVE-2017-7526","DLA-1015-1","DLA-1080-1","DSA-3901-1","DSA-3960-1","EUVD-2017-16542","GHSA-f2v5-c455-qhg2","MGASA-2017-0213","MGASA-2017-0235","SUSE-SU-2017:1793-1","SUSE-SU-2017:1794-1","SUSE-SU-2017:1866-1","SUSE-SU-2017:2699-1","SUSE-SU-2017:2700-1","UBUNTU-CVE-2017-7526","USN-3347-1","USN-3733-1","openSUSE-SU-2024:10941-1"],"status":"published","title":"libgcrypt before version 1.7.8 is vulnerable to a cache side-channel attack resulting into a...","description":"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.","severity":{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-07","score":0.03835,"percentile":0.90171,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200","CWE-310"],"published":"2017-06-29T00:00:00Z","modified":"2026-11-05T05:40:51Z","fixes":[{"ecosystem":"Alpine:v3.10","package":"gnupg1","fixed_in":["1.4.23-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.11","package":"gnupg1","fixed_in":["1.4.23-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.12","package":"gnupg1","fixed_in":["1.4.23-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.5","package":"gnupg1","fixed_in":["1.4.23-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.6","package":"gnupg1","fixed_in":["1.4.23-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.7","package":"gnupg1","fixed_in":["1.4.23-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.8","package":"gnupg1","fixed_in":["1.4.23-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.9","package":"gnupg1","fixed_in":["1.4.23-r0"],"sources":["osv"]},{"ecosystem":"Azure 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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. 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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.","status":"published","published":"2018-07-26T13:29:00.183Z","modified":"2026-10-24T10:30:43.966101713Z","cvss":[{"version":"3.0","score":6.8,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:06.412595Z"},{"id":"DEBIAN-CVE-2017-7526","description":"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.","status":"published","published":"2018-07-26T13:29:00.183Z","modified":"2026-09-01T20:03:50.203212294Z","cvss":[{"version":"3.0","score":6.8,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:29.412243Z"},{"id":"UBUNTU-CVE-2017-7526","description":"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.","status":"published","published":"2017-06-29T00:00:00Z","modified":"2026-04-22T11:31:47.11957Z","cvss":[{"version":"3.0","score":6.8,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N","level":"medium"},{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:15.773974Z"},{"id":"DLA-1015-1","title":"libgcrypt11 - security update","status":"published","published":"2017-07-06T00:00:00Z","modified":"2026-03-09T01:02:03.744554Z","updated_at":"2026-11-02T15:46:08.746073Z"},{"id":"DLA-1080-1","title":"gnupg - security update","status":"published","published":"2017-08-31T00:00:00Z","modified":"2026-03-09T01:01:36.005466Z","updated_at":"2026-11-02T15:46:09.336894Z"},{"id":"DSA-3901-1","title":"libgcrypt20 - security update","status":"published","published":"2017-07-02T00:00:00Z","modified":"2026-03-09T01:21:24.83562Z","updated_at":"2026-11-02T15:46:16.523846Z"},{"id":"DSA-3960-1","title":"gnupg - security update","status":"published","published":"2017-09-01T00:00:00Z","modified":"2026-03-09T01:19:04.659271Z","updated_at":"2026-11-02T15:46:16.523846Z"},{"id":"MGASA-2017-0213","title":"Updated libgcrypt packages fix security vulnerability","description":"Daniel J. Bernstein, Joachim Breitner, Daniel Genkin, Leon Groot\nBruinderink, Nadia Heninger, Tanja Lange, Christine van Vredendaal, and\nYuval Yarom discovered that Libgcrypt was susceptible to an attack via\nside channels. A local attacker could use this attack to recover RSA\nprivate keys (CVE-2017-7526).\n","status":"published","published":"2017-07-22T09:36:26Z","modified":"2026-04-16T06:24:38.920309674Z","updated_at":"2026-11-02T15:49:40.103088Z"},{"id":"MGASA-2017-0235","title":"Updated gnupg packages fix security vulnerability","description":"Daniel J. Bernstein, Joachim Breitner, Daniel Genkin, Leon Groot\nBruinderink, Nadia Heninger, Tanja Lange, Christine van Vredendaal, and\nYuval Yarom discovered that GnuPG was susceptible to an attack via\nside channels. A local attacker could use this attack to recover RSA\nprivate keys (CVE-2017-7526).\n","status":"published","published":"2017-08-02T23:21:39Z","modified":"2026-04-16T06:23:38.656559678Z","updated_at":"2026-11-02T15:49:40.103088Z"},{"id":"openSUSE-SU-2024:10941-1","title":"libgcrypt-cavs-1.9.4-1.2 on GA media","description":"These are all security issues fixed in the libgcrypt-cavs-1.9.4-1.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:35:52.263076Z","updated_at":"2026-11-02T16:58:34.894275Z"},{"id":"SUSE-SU-2017:1793-1","title":"Security update for libgcrypt","description":"This update for libgcrypt fixes the following issues:\n\n- CVE-2017-7526: Hardening a against local side-channel attack in RSA key handling has been added (bsc#1046607)\n\n","status":"published","published":"2017-07-06T09:35:37Z","modified":"2025-05-02T04:07:03.215848Z","updated_at":"2026-11-02T15:53:44.209561Z"},{"id":"SUSE-SU-2017:1794-1","title":"Security update for libgcrypt","description":"This update for libgcrypt fixes the following issues:\n\n- CVE-2017-7526: Hardening against a local side-channel attack in RSA key handling has been added (bsc#1046607)\n","status":"published","published":"2017-07-06T09:37:37Z","modified":"2026-02-04T03:42:04.246248Z","updated_at":"2026-11-02T15:53:44.209561Z"},{"id":"SUSE-SU-2017:1866-1","title":"Security update for compat-libgcrypt11","description":"This update for libgcrypt fixes the following security issue:\n\n- CVE-2017-7526: Hardening against local side-channel attack. (bsc#1046607)\n","status":"published","published":"2017-07-14T15:17:35Z","modified":"2026-02-04T03:19:11.237434Z","updated_at":"2026-11-02T15:53:44.209561Z"},{"id":"SUSE-SU-2017:2699-1","title":"Security update for SLES 12 Docker image","description":"The SUSE Linux Enterprise Server 12 container image has been updated to include\nsecurity and stability fixes.\n\nThe following issues related to building of the container images have been fixed:\n\n- Included krb5 package to avoid the inclusion of krb5-mini which gets selected as a\n  dependency by the Build Service solver. (bsc#1056193)\n- Do not install recommended packages when building container images. (bsc#975726)\n\nA number of security issues that have been already fixed by updates released for\nSUSE Linux Enterprise Server 12 are now included in the base image. A package/CVE\ncross-reference is available below.\n\npam:\n\n- CVE-2015-3238\n\nlibtasn1:\n\n- CVE-2015-3622\n- CVE-2016-4008\n\nlibidn:\n\n- CVE-2015-2059\n- CVE-2015-8948\n- CVE-2016-6261\n- CVE-2016-6262\n- CVE-2016-6263\n\nzlib:\n\n- CVE-2016-9840\n- CVE-2016-9841\n- CVE-2016-9842\n- CVE-2016-9843\n\ncurl:\n\n- CVE-2016-5419\n- CVE-2016-5420\n- CVE-2016-5421\n- CVE-2016-7141\n- CVE-2016-7167\n- CVE-2016-8615\n- CVE-2016-8616\n- CVE-2016-8617\n- CVE-2016-8618\n- CVE-2016-8619\n- CVE-2016-8620\n- CVE-2016-8621\n- CVE-2016-8622\n- CVE-2016-8623\n- CVE-2016-8624\n- CVE-2016-9586\n- CVE-2017-1000100\n- CVE-2017-1000101\n- CVE-2017-7407\n\nopenssl:\n\n- CVE-2016-2105\n- CVE-2016-2106\n- CVE-2016-2107\n- CVE-2016-2108\n- CVE-2016-2109\n- CVE-2016-2177\n- CVE-2016-2178\n- CVE-2016-2179\n- CVE-2016-2180\n- CVE-2016-2181\n- CVE-2016-2182\n- CVE-2016-2183\n- CVE-2016-6302\n- CVE-2016-6303\n- CVE-2016-6304\n- CVE-2016-6306\n\nlibxml2:\n\n- CVE-2014-0191\n- CVE-2015-8806\n- CVE-2016-1762\n- CVE-2016-1833\n- CVE-2016-1834\n- CVE-2016-1835\n- CVE-2016-1837\n- CVE-2016-1838\n- CVE-2016-1839\n- CVE-2016-1840\n- CVE-2016-2073\n- CVE-2016-3627\n- CVE-2016-3705\n- CVE-2016-4447\n- CVE-2016-4448\n- CVE-2016-4449\n- CVE-2016-4483\n- CVE-2016-4658\n- CVE-2016-9318\n- CVE-2016-9597\n- CVE-2017-9047\n- CVE-2017-9048\n- CVE-2017-9049\n- CVE-2017-9050\n\nutil-linux:\n\n- CVE-2015-5218\n- CVE-2016-5011\n- CVE-2017-2616\n\ncracklib:\n\n- CVE-2016-6318\n\nsystemd:\n\n- CVE-2014-9770\n- CVE-2015-8842\n- CVE-2016-7796\n\npcre:\n\n- CVE-2014-8964\n- CVE-2015-2325\n- CVE-2015-2327\n- CVE-2015-2328\n- CVE-2015-3210\n- CVE-2015-3217\n- CVE-2015-5073\n- CVE-2015-8380\n- CVE-2015-8381\n- CVE-2015-8382\n- CVE-2015-8383\n- CVE-2015-8384\n- CVE-2015-8385\n- CVE-2015-8386\n- CVE-2015-8387\n- CVE-2015-8388\n- CVE-2015-8389\n- CVE-2015-8390\n- CVE-2015-8391\n- CVE-2015-8392\n- CVE-2015-8393\n- CVE-2015-8394\n- CVE-2015-8395\n- CVE-2016-1283\n- CVE-2016-3191\n\nappamor:\n\n- CVE-2017-6507\n\nbash:\n\n- CVE-2014-6277\n- CVE-2014-6278\n- CVE-2016-0634\n- CVE-2016-7543\n\ncpio:\n\n- CVE-2016-2037\n\nglibc:\n\n- CVE-2016-1234\n- CVE-2016-3075\n- CVE-2016-3706\n- CVE-2016-4429\n- CVE-2017-1000366\n\nperl:\n\n- CVE-2015-8853\n- CVE-2016-1238\n- CVE-2016-2381\n- CVE-2016-6185\n\nlibssh2_org:\n\n- CVE-2016-0787\n\nexpat:\n\n- CVE-2012-6702\n- CVE-2015-1283\n- CVE-2016-0718\n- CVE-2016-5300\n- CVE-2016-9063\n- CVE-2017-9233\n\nncurses:\n\n- CVE-2017-10684\n- CVE-2017-10685\n- CVE-2017-11112\n- CVE-2017-11113\n\nlibksba:\n\n- CVE-2016-4574\n- CVE-2016-4579\n\nlibgcrypt:\n\n- CVE-2015-7511\n- CVE-2016-6313\n- CVE-2017-7526\n\ndbus-1:\n\n- CVE-2014-7824\n- CVE-2015-0245\n\nFinally, the following packages received non-security fixes:\n\n- augeas\n- bzip2\n- ca-certificates-mozilla\n- coreutils\n- cryptsetup\n- cyrus-sasl\n- dirmngr\n- e2fsprogs\n- findutils\n- gpg2\n- insserv-compat\n- kmod\n- libcap\n- libsolv\n- libzypp\n- openldap2\n- p11-kit\n- permissions\n- procps\n- rpm\n- sed\n- shadow\n- zypper\n","status":"published","published":"2017-10-10T19:37:24Z","modified":"2026-02-04T03:24:03.922844Z","updated_at":"2026-11-02T15:53:44.209561Z"},{"id":"SUSE-SU-2017:2700-1","title":"Security update for SLES 12-SP1 Docker image","description":"The SUSE Linux Enterprise Server 12 SP1 container image has been updated to include\nsecurity and stability fixes.\n\nThe following issues related to building of the container images have been fixed:\n\n- Included krb5 package to avoid the inclusion of krb5-mini which gets selected as a\n  dependency by the Build Service solver. (bsc#1056193)\n- Do not install recommended packages when building container images. (bsc#975726)\n\nA number of security issues that have been already fixed by updates released for\nSUSE Linux Enterprise Server 12 SP1 are now included in the base image. A package/CVE\ncross-reference is available below.\n\npam:\n\n- CVE-2015-3238\n\nlibtasn1:\n\n- CVE-2015-3622\n- CVE-2016-4008\n\nexpat:\n\nexpat:\n\n- CVE-2012-6702\n- CVE-2015-1283\n- CVE-2016-0718\n- CVE-2016-5300\n- CVE-2016-9063\n- CVE-2017-9233\n\nlibidn:\n\n- CVE-2015-2059\n- CVE-2015-8948\n- CVE-2016-6261\n- CVE-2016-6262\n- CVE-2016-6263\n\n\nzlib:\n\n- CVE-2016-9840\n- CVE-2016-9841\n- CVE-2016-9842\n- CVE-2016-9843\n\ncurl:\n\n- CVE-2016-5419\n- CVE-2016-5420\n- CVE-2016-5421\n- CVE-2016-7141\n- CVE-2016-7167\n- CVE-2016-8615\n- CVE-2016-8616\n- CVE-2016-8617\n- CVE-2016-8618\n- CVE-2016-8619\n- CVE-2016-8620\n- CVE-2016-8621\n- CVE-2016-8622\n- CVE-2016-8623\n- CVE-2016-8624\n- CVE-2016-9586\n- CVE-2017-1000100\n- CVE-2017-1000101\n- CVE-2017-7407\n\nopenssl:\n\n- CVE-2016-2105\n- CVE-2016-2106\n- CVE-2016-2107\n- CVE-2016-2108\n- CVE-2016-2109\n- CVE-2016-2177\n- CVE-2016-2178\n- CVE-2016-2179\n- CVE-2016-2180\n- CVE-2016-2181\n- CVE-2016-2182\n- CVE-2016-2183\n- CVE-2016-6302\n- CVE-2016-6303\n- CVE-2016-6304\n- CVE-2016-6306\n- CVE-2016-7056\n- CVE-2016-8610\n- CVE-2017-3731\n\ncracklib:\n\n- CVE-2016-6318\n\npcre:\n\n- CVE-2014-8964\n- CVE-2015-2325\n- CVE-2015-2327\n- CVE-2015-2328\n- CVE-2015-3210\n- CVE-2015-3217\n- CVE-2015-5073\n- CVE-2015-8380\n- CVE-2015-8381\n- CVE-2015-8382\n- CVE-2015-8383\n- CVE-2015-8384\n- CVE-2015-8385\n- CVE-2015-8386\n- CVE-2015-8387\n- CVE-2015-8388\n- CVE-2015-8389\n- CVE-2015-8390\n- CVE-2015-8391\n- CVE-2015-8392\n- CVE-2015-8393\n- CVE-2015-8394\n- CVE-2015-8395\n- CVE-2016-1283\n- CVE-2016-3191\n\nappamor:\n\n- CVE-2017-6507\n\nbash:\n\n- CVE-2014-6277\n- CVE-2014-6278\n- CVE-2016-0634\n- CVE-2016-7543\n\ncpio:\n\n- CVE-2016-2037\n\nglibc:\n\n- CVE-2016-1234\n- CVE-2016-3075\n- CVE-2016-3706\n- CVE-2016-4429\n- CVE-2017-1000366\n\nperl:\n\n- CVE-2015-8853\n- CVE-2016-1238\n- CVE-2016-2381\n- CVE-2016-6185\n\nlibssh2_org:\n\n- CVE-2016-0787\n\nutil-linux:\n\n- CVE-2016-5011\n- CVE-2017-2616\n\nncurses:\n\n- CVE-2017-10684\n- CVE-2017-10685\n- CVE-2017-11112\n- CVE-2017-11113\n\nlibksba:\n\n- CVE-2016-4574\n- CVE-2016-4579\n\nlibxml2:\n\n- CVE-2014-0191\n- CVE-2015-8806\n- CVE-2016-1762\n- CVE-2016-1833\n- CVE-2016-1834\n- CVE-2016-1835\n- CVE-2016-1837\n- CVE-2016-1838\n- CVE-2016-1839\n- CVE-2016-1840\n- CVE-2016-2073\n- CVE-2016-3627\n- CVE-2016-3705\n- CVE-2016-4447\n- CVE-2016-4448\n- CVE-2016-4449\n- CVE-2016-4483\n- CVE-2016-4658\n- CVE-2016-9318\n- CVE-2016-9597\n- CVE-2017-9047\n- CVE-2017-9048\n- CVE-2017-9049\n- CVE-2017-9050\n\nlibgcrypt:\n\n- CVE-2015-7511\n- CVE-2016-6313\n- CVE-2017-7526\n\nupdate-alternatives:\n\n- CVE-2015-0860\n\nsystemd:\n\n- CVE-2014-9770\n- CVE-2015-8842\n- CVE-2016-7796\n\ndbus-1:\n\n- CVE-2014-7824\n- CVE-2015-0245\n\nFinally, the following packages received non-security fixes:\n\n- augeas\n- bzip2\n- ca-certificates-mozilla\n- coreutils\n- cryptsetup\n- cyrus-sasl\n- dirmngr\n- e2fsprogs\n- findutils\n- gpg2\n- insserv-compat\n- kmod\n- libcap\n- libsolv\n- libzypp\n- lua51\n- lvm2\n- netcfg\n- p11-kit\n- permissions\n- procps\n- rpm\n- sed\n- sg3_utils\n- shadow\n- zypper\n","status":"published","published":"2017-10-10T19:37:36Z","modified":"2026-02-04T03:03:17.897778Z","updated_at":"2026-11-02T15:53:44.209561Z"},{"id":"USN-3347-1","title":"libgcrypt11, libgcrypt20 vulnerabilities","description":"Daniel J. Bernstein, Joachim Breitner, Daniel Genkin, Leon Groot\nBruinderink, Nadia Heninger, Tanja Lange, Christine van Vredendaal, and\nYuval Yarom discovered that Libgcrypt was susceptible to an attack via\nside channels. A local attacker could use this attack to recover RSA\nprivate keys. (CVE-2017-7526)\n\nIt was discovered that Libgcrypt was susceptible to an attack via\nside channels. A local attacker could use this attack to possibly recover\nEdDSA private keys. This issue only applied to Ubuntu 16.04 LTS, Ubuntu\n16.10 and Ubuntu 17.04. (CVE-2017-9526)\n","status":"published","published":"2017-07-03T18:40:30Z","modified":"2026-04-22T09:36:39.344267Z","updated_at":"2026-11-02T16:58:13.496563Z"},{"id":"USN-3733-1","title":"gnupg vulnerability","description":"Daniel J. Bernstein, Joachim Breitner, Daniel Genkin, Leon Groot Bruinderink,\nNadia Heninger, Tanja Lange, Christine van Vredendaal, and Yuval Yarom\ndiscovered that GnuPG is vulnerable to a cache side-channel attack. A local\nattacker could use this attack to recover RSA private keys.\n","status":"published","published":"2018-08-07T02:50:28Z","modified":"2026-02-10T04:41:23Z","updated_at":"2026-11-02T16:58:13.496563Z"}]}}