CVE-2018-0737

Cache timing vulnerability in RSA Key Generation

Description

The OpenSSL RSA Key generation algorithm has been shown to be vulnerable to a cache timing side channel attack. An attacker with sufficient access to mount cache timing attacks during the RSA key generation process could recover the private key. Fixed in OpenSSL 1.1.0i-dev (Affected 1.1.0-1.1.0h). Fixed in OpenSSL 1.0.2p-dev (Affected 1.0.2b-1.0.2o).

Category

5.9
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 28.23% Top 5%
Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory gentoo.org Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory openssl.org
Affected: OpenSSL OpenSSL
Published at:
Updated at:

References

Link Tags
https://lists.debian.org/debian-lts-announce/2018/07/msg00043.html mailing list
https://www.debian.org/security/2018/dsa-4355 vendor advisory
https://usn.ubuntu.com/3628-2/ third party advisory vendor advisory
https://security.gentoo.org/glsa/201811-21 vendor advisory
https://usn.ubuntu.com/3692-2/ vendor advisory
https://access.redhat.com/errata/RHSA-2018:3505 vendor advisory
http://www.securityfocus.com/bid/103766 vdb entry third party advisory
https://usn.ubuntu.com/3692-1/ vendor advisory
https://access.redhat.com/errata/RHSA-2018:3221 vendor advisory
https://www.debian.org/security/2018/dsa-4348 vendor advisory
http://www.securitytracker.com/id/1040685 vdb entry third party advisory
https://usn.ubuntu.com/3628-1/ third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EWC42UXL5GHTU5G77VKBF6JYUUNGSHOM/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZBEV5QGDRFUZDMNECFXUSN5FMYOZDE4V/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y3IVFGSERAZLNJCK35TEM2R4726XIH3Z/ vendor advisory
https://access.redhat.com/errata/RHSA-2019:3933 vendor advisory
https://access.redhat.com/errata/RHSA-2019:3935 vendor advisory
https://access.redhat.com/errata/RHSA-2019:3932 vendor advisory
https://www.oracle.com/security-alerts/cpuapr2020.html
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.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/technetwork/security-advisory/cpujul2019-5072835.html
https://www.tenable.com/security/tns-2018-14
https://securityadvisories.paloaltonetworks.com/Home/Detail/133
https://www.tenable.com/security/tns-2018-13
https://www.tenable.com/security/tns-2018-17
https://www.tenable.com/security/tns-2018-12
https://nodejs.org/en/blog/vulnerability/august-2018-security-releases/
https://www.oracle.com//security-alerts/cpujul2021.html
https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=349a41da1ad88ad87825414752a8ff5fdd6a6c3f
https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=6939eab03a6e23d2bd2c3f5e34fe1d48e542e787
https://www.openssl.org/news/secadv/20180416.txt vendor advisory
https://security.netapp.com/advisory/ntap-20180726-0003/

Frequently Asked Questions

What is the severity of CVE-2018-0737?
CVE-2018-0737 has been scored as a medium severity vulnerability.
How to fix CVE-2018-0737?
To fix CVE-2018-0737, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-0737 being actively exploited in the wild?
It is possible that CVE-2018-0737 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~28% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-0737?
CVE-2018-0737 affects OpenSSL OpenSSL.
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