VulnerabilityModified
CVE-2018-0734
The OpenSSL DSA signature algorithm has been shown to be vulnerable to a timing side channel attack.
MEDIUM 5.9EPSS 12.2%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 12.2%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
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).
- CVSS 3.1
- 5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 12.15% probability · 96th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-327
- Affected
- openssl/openssl · canonical/ubuntu linux · debian/debian linux · nodejs/node.js · netapp/cn1610 firmware · netapp/cloud backup · netapp/oncommand unified manager · netapp/santricity smi-s provider · netapp/snapcenter · netapp/steelstore · netapp/storage automation store · oracle/api gateway · oracle/e-business suite technology stack · oracle/enterprise manager base platform · oracle/enterprise manager ops center · oracle/mysql enterprise backup · oracle/peoplesoft enterprise peopletools · oracle/primavera p6 professional project management · oracle/tuxedo
- Source
- openssl-security@openssl.org
References
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00030.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00056.htmlMailing List, Third Party Advisory
- http://www.securityfocus.com/bid/105758Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2019:2304Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3700Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3932Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3933Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3935Third Party Advisory
- https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=43e6a58d4991a451daf4891ff05a48735df871ac
- https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=8abfe72e8c1de1b95f50aa0d9134803b4d00070f
- https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=ef11e19d1365eea2b1851e6f540a0bf365d303e7
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EWC42UXL5GHTU5G77VKBF6JYUUNGSHOM/
- 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/ZBEV5QGDRFUZDMNECFXUSN5FMYOZDE4V/
- https://nodejs.org/en/blog/vulnerability/november-2018-security-releases/Third Party Advisory
- https://security.netapp.com/advisory/ntap-20181105-0002/Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190118-0002/Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190423-0002/Third Party Advisory
- https://usn.ubuntu.com/3840-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4348Third Party Advisory
- https://www.debian.org/security/2018/dsa-4355Third Party Advisory
- https://www.openssl.org/news/secadv/20181030.txtVendor Advisory
- https://www.oracle.com/security-alerts/cpuapr2020.htmlThird Party Advisory
- https://www.oracle.com/security-alerts/cpujan2020.htmlThird Party Advisory
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.htmlPatch, Third Party Advisory
- https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.htmlPatch, Third Party Advisory
- https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.htmlPatch, Third Party Advisory
- https://www.tenable.com/security/tns-2018-16Third Party Advisory
- https://www.tenable.com/security/tns-2018-17Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00030.htmlMailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.