Vulnerability DatabaseCVE-2018-5407
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CVE-2018-5407
Published:November 15, 2018
Updated:May 17, 2026
Simultaneous Multi-threading (SMT) in processors can enable local users to exploit software vulnerable to timing attacks via a side-channel timing attack on 'port contention'.
Affected Packages
openssl (CONDA):
Affected version(s) >=1.0.2d <1.0.2q
Fix Suggestion:
Update to version 1.0.2q
https://github.com/openssl/openssl.git (GITHUB):
Affected version(s) >=OpenSSL_1_0_2a <OpenSSL_1_0_2q
Fix Suggestion:
Update to version OpenSSL_1_0_2q
https://github.com/openssl/openssl.git (GITHUB):
Affected version(s) >=OpenSSL_1_1_0a <OpenSSL_1_1_0i
Fix Suggestion:
Update to version OpenSSL_1_1_0i
Related Resources (31)
https://access.redhat.com/errata/RHSA-2019:3929
https://access.redhat.com/errata/RHSA-2019:3935
https://eprint.iacr.org/2018/1060.pdf
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
https://www.oracle.com/security-alerts/cpuapr2020.html
https://access.redhat.com/errata/RHSA-2019:0652
https://github.com/bbbrumley/portsmash
https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
https://security.gentoo.org/glsa/201903-10
https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html
https://nodejs.org/en/blog/vulnerability/november-2018-security-releases/
https://www.oracle.com/security-alerts/cpujan2020.html
https://security-tracker.debian.org/tracker/CVE-2018-5407
https://access.redhat.com/errata/RHSA-2019:0483
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-5407
https://access.redhat.com/errata/RHSA-2019:2125
https://www.tenable.com/security/tns-2018-17
https://access.redhat.com/errata/RHSA-2019:3931
https://support.f5.com/csp/article/K49711130?utm_source=f5support&amp%3Butm_medium=RSS
https://lists.debian.org/debian-lts-announce/2018/11/msg00024.html
http://www.securityfocus.com/bid/105897
https://www.debian.org/security/2018/dsa-4355
https://security.netapp.com/advisory/ntap-20181126-0001/
https://www.debian.org/security/2018/dsa-4348
https://www.tenable.com/security/tns-2018-16
https://access.redhat.com/security/cve/CVE-2018-5407
https://access.redhat.com/errata/RHSA-2019:3932
https://access.redhat.com/errata/RHSA-2019:3933
https://access.redhat.com/errata/RHSA-2019:0651
https://www.exploit-db.com/exploits/45785/
https://usn.ubuntu.com/3840-1/
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CVSS v4
Base Score:
5.7
Attack Vector
LOCAL
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.7
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Exposure of Sensitive Information to an Unauthorized Actor
CWE-200
Observable Discrepancy
CWE-203
EPSS
Base Score:
0.84