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CVE-2018-5407 (GCVE-0-2018-5407)

Vulnerability from cvelistv5 – Published: 2018-11-15 21:00 – Updated: 2024-08-05 05:33
VLAI
Summary
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'.
CWE
References
URL Tags
https://access.redhat.com/errata/RHSA-2019:0483 vendor-advisoryx_refsource_REDHAT
https://www.oracle.com/technetwork/security-advis… x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-2018112… x_refsource_CONFIRM
https://usn.ubuntu.com/3840-1/ vendor-advisoryx_refsource_UBUNTU
https://www.debian.org/security/2018/dsa-4355 vendor-advisoryx_refsource_DEBIAN
https://www.tenable.com/security/tns-2018-17 x_refsource_CONFIRM
https://nodejs.org/en/blog/vulnerability/november… x_refsource_CONFIRM
https://security.gentoo.org/glsa/201903-10 vendor-advisoryx_refsource_GENTOO
https://www.tenable.com/security/tns-2018-16 x_refsource_CONFIRM
https://www.exploit-db.com/exploits/45785/ exploitx_refsource_EXPLOIT-DB
https://lists.debian.org/debian-lts-announce/2018… mailing-listx_refsource_MLIST
https://github.com/bbbrumley/portsmash x_refsource_MISC
https://www.debian.org/security/2018/dsa-4348 vendor-advisoryx_refsource_DEBIAN
http://www.securityfocus.com/bid/105897 vdb-entryx_refsource_BID
https://eprint.iacr.org/2018/1060.pdf x_refsource_MISC
https://access.redhat.com/errata/RHSA-2019:0651 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:0652 vendor-advisoryx_refsource_REDHAT
https://www.oracle.com/technetwork/security-advis… x_refsource_MISC
https://www.oracle.com/technetwork/security-advis… x_refsource_MISC
https://access.redhat.com/errata/RHSA-2019:2125 vendor-advisoryx_refsource_REDHAT
https://support.f5.com/csp/article/K49711130?utm_… x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2019:3929 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:3933 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:3931 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:3935 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:3932 vendor-advisoryx_refsource_REDHAT
https://www.oracle.com/security-alerts/cpujan2020.html x_refsource_MISC
https://www.oracle.com/security-alerts/cpuapr2020.html x_refsource_MISC
Impacted products
Date Public
2018-11-15 00:00
Show details on NVD website

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    "assignerShortName": "certcc",
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    "datePublished": "2018-11-15T21:00:00.000Z",
    "dateReserved": "2018-01-12T00:00:00.000Z",
    "dateUpdated": "2024-08-05T05:33:44.232Z",
    "state": "PUBLISHED"
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      "id": "CVE-2018-5407",
      "lastModified": "2024-11-21T04:08:45.530",
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      "published": "2018-11-15T21:29:00.233",
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      "sourceIdentifier": "cret@cert.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"cret@cert.org\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-200\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-203\"}]}]"
    },
    "microsoft_vex": {
      "current_release_date": "2026-08-07T00:24:28.000Z",
      "cve": "CVE-2018-5407",
      "id": "msrc_CVE-2018-5407",
      "initial_release_date": "2026-04-29T01:10:49.000Z",
      "product_status:known_affected": "4",
      "product_status:under_investigation": "4",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "Simultaneous Multi-threading (SMT) in processors can enable local users to exploit software vulnerable to timing attacks via a side-channel timing attack on \u0027port contention\u0027.",
      "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2018-5407.json",
      "version": "3"
    },
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T11:35:17+00:00",
      "cve": "CVE-2018-5407",
      "id": "CVE-2018-5407",
      "initial_release_date": "2018-10-30T00:00:00+00:00",
      "product_status:fixed": "383",
      "product_status:known_affected": "17",
      "product_status:known_not_affected": "6",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "openssl: Side-channel vulnerability on SMT/Hyper-Threading architectures (PortSmash)",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-5407.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-15T02:37:52Z",
      "cve": "CVE-2018-5407",
      "id": "CVE-2018-5407",
      "initial_release_date": "2023-02-15T04:31:37Z",
      "product_status:known_affected": "430",
      "product_status:known_not_affected": "322",
      "product_status:recommended": "608",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2018-5407",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2018-5407.json",
      "version": "49"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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