CVE-2018-0734

Description

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).

References

https://www.tenable.com/security/tns-2018-17

https://www.tenable.com/security/tns-2018-16

https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html

https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html

https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html

https://www.oracle.com/security-alerts/cpujan2020.html

https://www.oracle.com/security-alerts/cpuapr2020.html

https://www.openssl.org/news/secadv/20181030.txt

https://www.debian.org/security/2018/dsa-4355

https://www.debian.org/security/2018/dsa-4348

https://usn.ubuntu.com/3840-1/

https://security.netapp.com/advisory/ntap-20190423-0002/

https://security.netapp.com/advisory/ntap-20190118-0002/

https://security.netapp.com/advisory/ntap-20181105-0002/

https://nodejs.org/en/blog/vulnerability/november-2018-security-releases/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZBEV5QGDRFUZDMNECFXUSN5FMYOZDE4V/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y3IVFGSERAZLNJCK35TEM2R4726XIH3Z/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EWC42UXL5GHTU5G77VKBF6JYUUNGSHOM/

https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=ef11e19d1365eea2b1851e6f540a0bf365d303e7

https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=8abfe72e8c1de1b95f50aa0d9134803b4d00070f

https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=43e6a58d4991a451daf4891ff05a48735df871ac

https://access.redhat.com/errata/RHSA-2019:3935

https://access.redhat.com/errata/RHSA-2019:3933

https://access.redhat.com/errata/RHSA-2019:3932

https://access.redhat.com/errata/RHSA-2019:3700

https://access.redhat.com/errata/RHSA-2019:2304

http://www.securityfocus.com/bid/105758

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00056.html

http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00030.html

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3