vulnwire
4.7med

CVE-2018-54071 exploit

Simultaneous Multi-threading (SMT) in processors can enable local users to exploit software vulnerable to timing attacks via a side-channel…

Published 7 y ago · modified 30 d ago · JSON

CVSS
4.7
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
3.4%
percentile 89%
Public exploits
1
Exploit-DB

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'.

CISA SSVC assessment

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
30 d ago

Exploit prediction (EPSS)

3.42% probability of exploitation in the next 30 days, higher than 89% of all scored CVEs.

Exploits and detections

  • EDB-45785 Intel (Skylake / Kaby Lake) - 'PortSmash' CPU SMT Side-Channel · local · 2018-11-02

CVSS scores

Assigned byVersionScoreVector
NVD3.14.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD2.01.9AV:L/AC:M/Au:N/C:P/I:N/A:N

Affected products

  • N/A Processors supporting Simultaneous Multi-Threading

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-203 Observable Discrepancy
Technology feeds
Node.js (RSS, critical only) · OpenSSL (RSS, critical only)

References

  • access.redhat.com /errata/RHSA-2019:0483 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • oracle.com /technetwork/security-advisory/cpujan2019-5072801.html · x_refsource_CONFIRM, x_transferred
  • security.netapp.com /advisory/ntap-20181126-0001/ · x_refsource_CONFIRM, x_transferred
  • usn.ubuntu.com /3840-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • debian.org /security/2018/dsa-4355 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • tenable.com /security/tns-2018-17 · x_refsource_CONFIRM, x_transferred
  • nodejs.org /en/blog/vulnerability/november-2018-security-releases/ · x_refsource_CONFIRM, x_transferred
  • security.gentoo.org /glsa/201903-10 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • tenable.com /security/tns-2018-16 · x_refsource_CONFIRM, x_transferred
  • exploit-db.com /exploits/45785/ · exploit, x_refsource_EXPLOIT-DB, x_transferred
  • lists.debian.org /debian-lts-announce/2018/11/msg00024.html · mailing-list, x_refsource_MLIST, x_transferred
  • github.com /bbbrumley/portsmash · x_refsource_MISC, x_transferred
  • debian.org /security/2018/dsa-4348 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • securityfocus.com /bid/105897 · vdb-entry, x_refsource_BID, x_transferred
  • eprint.iacr.org /2018/1060.pdf · x_refsource_MISC, x_transferred
  • access.redhat.com /errata/RHSA-2019:0651 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • access.redhat.com /errata/RHSA-2019:0652 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • oracle.com /technetwork/security-advisory/cpuapr2019-5072813.html · x_refsource_MISC, x_transferred
  • oracle.com /technetwork/security-advisory/cpujul2019-5072835.html · x_refsource_MISC, x_transferred
  • access.redhat.com /errata/RHSA-2019:2125 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • support.f5.com /csp/article/K49711130?utm_source=f5support&amp%3Butm_medium=RSS · x_refsource_CONFIRM, x_transferred
  • access.redhat.com /errata/RHSA-2019:3929 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • access.redhat.com /errata/RHSA-2019:3933 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • access.redhat.com /errata/RHSA-2019:3931 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • access.redhat.com /errata/RHSA-2019:3935 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • access.redhat.com /errata/RHSA-2019:3932 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • oracle.com /security-alerts/cpujan2020.html · x_refsource_MISC, x_transferred
  • oracle.com /security-alerts/cpuapr2020.html · x_refsource_MISC, x_transferred

Sources

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