FKIE_CVE-2018-10846

Vulnerability from fkie_nvd - Published: 2018-08-22 13:29 - Updated: 2026-06-17 01:34
Severity
5.6 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
Summary
A cache-based side channel in GnuTLS implementation that leads to plain text recovery in cross-VM attack setting was found. An attacker could use a combination of "Just in Time" Prime+probe attack in combination with Lucky-13 attack to recover plain text using crafted packets.
References
secalert@redhat.comhttp://www.securityfocus.com/bid/105138Third Party Advisory, VDB Entry
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2018:3050Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2018:3505Broken Link
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10846Issue Tracking, Patch, Third Party Advisory
secalert@redhat.comhttps://eprint.iacr.org/2018/747Third Party Advisory
secalert@redhat.comhttps://gitlab.com/gnutls/gnutls/merge_requests/657Issue Tracking, Patch, Third Party Advisory
secalert@redhat.comhttps://lists.debian.org/debian-lts-announce/2018/10/msg00022.htmlMailing List, Third Party Advisory
secalert@redhat.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ILMOWPKMTZAIMK5F32TUMO34XCABUCFJ/
secalert@redhat.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WDYY3R4F5CUTFAMXH2C5NKYFVDEJLTT7/
secalert@redhat.comhttps://usn.ubuntu.com/3999-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/105138Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:3050Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:3505Broken Link
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10846Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://eprint.iacr.org/2018/747Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://gitlab.com/gnutls/gnutls/merge_requests/657Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2018/10/msg00022.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ILMOWPKMTZAIMK5F32TUMO34XCABUCFJ/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WDYY3R4F5CUTFAMXH2C5NKYFVDEJLTT7/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3999-1/Third Party Advisory
Impacted products
Vendor Product Version
gnu gnutls *
redhat enterprise_linux_desktop 7.0
redhat enterprise_linux_server 7.0
redhat enterprise_linux_workstation 7.0
canonical ubuntu_linux 16.04
canonical ubuntu_linux 18.04
canonical ubuntu_linux 18.10
canonical ubuntu_linux 19.04
fedoraproject fedora 31
fedoraproject fedora 32
debian debian_linux 8.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "gnutls",
          "vendor": "[UNKNOWN]",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
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              "versionEndExcluding": "3.6.12",
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A cache-based side channel in GnuTLS implementation that leads to plain text recovery in cross-VM attack setting was found. An attacker could use a combination of \"Just in Time\" Prime+probe attack in combination with Lucky-13 attack to recover plain text using crafted packets."
    },
    {
      "lang": "es",
      "value": "Se ha detectado un canal lateral basado en memoria cach\u00e9 en la implementaci\u00f3n GnuTLS que conduce a un ataque de recuperaci\u00f3n de texto plano a trav\u00e9s de una m\u00e1quina virtual. Un atacante podr\u00eda utilizar una combinaci\u00f3n de un ataque \"Just in Time\" Prime+probe con un ataque Lucky-13 para recuperar texto plano usando paquetes manipulados."
    }
  ],
  "id": "CVE-2018-10846",
  "lastModified": "2026-06-17T01:34:45.220",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 1.9,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:M/Au:N/C:P/I:N/A:N",
          "version": "2.0"
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        "exploitabilityScore": 3.4,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
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          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
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          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N",
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        "source": "secalert@redhat.com",
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          "baseScore": 5.6,
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          "confidentialityImpact": "HIGH",
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          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N",
          "version": "3.1"
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        "exploitabilityScore": 1.1,
        "impactScore": 4.0,
        "source": "nvd@nist.gov",
        "type": "Primary"
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    ]
  },
  "published": "2018-08-22T13:29:00.627",
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}



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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.



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.