Explain CVE-2018-0734
The OpenSSL DSA signature algorithm has been shown to be vulnerable to a timing side channel attack. An attacker could use variations in the signing algorithm to recover the private key. Fixed in OpenSSL 1.1.1a (Affected 1.1.1). Fixed in OpenSSL 1.1.0j (Affected 1.1.0-1.1.0i). Fixed in OpenSSL 1.0.2q (Affected 1.0.2-1.0.2p).
Affected Products: OpenSSL
References: [{'tags': ['x_refsource_CONFIRM'], 'url': 'https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html'}, {'name': 'USN-3840-1', 'tags': ['vendor-advisory', 'x_refsource_UBUNTU'], 'url': 'https://usn.ubuntu.com/3840-1/'}, {'name': 'DSA-4355', 'tags': ['vendor-advisory', 'x_refsource_DEBIAN'], 'url': 'https://www.debian.org/security/2018/dsa-4355'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://security.netapp.com/advisory/ntap-20181105-0002/'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=8abfe72e8c1de1b95f50aa0d9134803b4d00070f'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://www.tenable.com/security/tns-2018-17'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://nodejs.org/en/blog/vulnerability/november-2018-security-releases/'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://www.tenable.com/security/tns-2018-16'}, {'name': '105758', 'tags': ['vdb-entry', 'x_refsource_BID'], 'url': 'http://www.securityfocus.com/bid/105758'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=ef11e19d1365eea2b1851e6f540a0bf365d303e7'}, {'name': 'DSA-4348', 'tags': ['vendor-advisory', 'x_refsource_DEBIAN'], 'url': 'https://www.debian.org/security/2018/dsa-4348'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=43e6a58d4991a451daf4891ff05a48735df871ac'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://www.openssl.org/news/secadv/20181030.txt'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://security.netapp.com/advisory/ntap-20190118-0002/'}, {'tags': ['x_refsource_MISC'], 'url': 'https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://security.netapp.com/advisory/ntap-20190423-0002/'}, {'name': 'openSUSE-SU-2019:1547', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00030.html'}, {'tags': ['x_refsource_MISC'], 'url': 'https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html'}, {'name': 'openSUSE-SU-2019:1814', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00056.html'}, {'name': 'RHSA-2019:2304', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'https://access.redhat.com/errata/RHSA-2019:2304'}, {'name': 'FEDORA-2019-db06efdea1', 'tags': ['vendor-advisory', 'x_refsource_FEDORA'], 'url': 'https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EWC42UXL5GHTU5G77VKBF6JYUUNGSHOM/'}, {'name': 'FEDORA-2019-00c25b9379', 'tags': ['vendor-advisory', 'x_refsource_FEDORA'], 'url': 'https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZBEV5QGDRFUZDMNECFXUSN5FMYOZDE4V/'}, {'name': 'FEDORA-2019-9a0a7c0986', 'tags': ['vendor-advisory', 'x_refsource_FEDORA'], 'url': 'https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y3IVFGSERAZLNJCK35TEM2R4726XIH3Z/'}, {'name': 'RHSA-2019:3700', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'https://access.redhat.com/errata/RHSA-2019:3700'}, {'name': 'RHSA-2019:3933', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'https://access.redhat.com/errata/RHSA-2019:3933'}, {'name': 'RHSA-2019:3935', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'https://access.redhat.com/errata/RHSA-2019:3935'}, {'name': 'RHSA-2019:3932', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'https://access.redhat.com/errata/RHSA-2019:3932'}, {'tags': ['x_refsource_MISC'], 'url': 'https://www.oracle.com/security-alerts/cpujan2020.html'}, {'tags': ['x_refsource_MISC'], 'url': 'https://www.oracle.com/security-alerts/cpuapr2020.html'}]
CVE State: PUBLISHED