VulnerabilityModified
CVE-2018-0737
The OpenSSL RSA Key generation algorithm has been shown to be vulnerable to a cache timing side channel attack.
MEDIUM 5.9EPSS 11.8%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 11.8%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
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).
- CVSS 3.0
- 5.9 MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 11.81% probability · 96th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-327
- Affected
- openssl/openssl · canonical/ubuntu linux
- Source
- openssl-security@openssl.org
References
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- http://www.securityfocus.com/bid/103766Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040685Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:3221
- https://access.redhat.com/errata/RHSA-2018:3505
- https://access.redhat.com/errata/RHSA-2019:3932
- https://access.redhat.com/errata/RHSA-2019:3933
- https://access.redhat.com/errata/RHSA-2019:3935
- 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://lists.debian.org/debian-lts-announce/2018/07/msg00043.html
- 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/august-2018-security-releases/
- https://security.gentoo.org/glsa/201811-21
- https://security.netapp.com/advisory/ntap-20180726-0003/
- https://securityadvisories.paloaltonetworks.com/Home/Detail/133
- https://usn.ubuntu.com/3628-1/Third Party Advisory
- https://usn.ubuntu.com/3628-2/Third Party Advisory
- https://usn.ubuntu.com/3692-1/
- https://usn.ubuntu.com/3692-2/
- https://www.debian.org/security/2018/dsa-4348
- https://www.debian.org/security/2018/dsa-4355
- https://www.openssl.org/news/secadv/20180416.txtVendor Advisory
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
- https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html
- https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.