CVE-2024-10963 (GCVE-0-2024-10963)

Vulnerability from cvelistv5 – Published: 2024-11-07 16:02 – Updated: 2026-03-24 16:53
VLAI
Title
Pam: improper hostname interpretation in pam_access leads to access control bypass
Summary
A flaw was found in pam_access, where certain rules in its configuration file are mistakenly treated as hostnames. This vulnerability allows attackers to trick the system by pretending to be a trusted hostname, gaining unauthorized access. This issue poses a risk for systems that rely on this feature to control who can access certain services or terminals.
Severity
7.4 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-287 - Improper Authentication
Assigner
References
Impacted products
Vendor Product Version
Affected: 1.3.1 (semver)
Affected: 1.5.1 (semver)
Affected: 1.6.0 , < 1.7.0 (semver)
Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:1.3.1-36.el8_10 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:8::baseos
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Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:1.5.1-22.el9_5 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::appstream
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Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support Unaffected: 0:1.5.1-23.el9_4 , < * (rpm)
    cpe:/o:redhat:rhel_eus:9.4::baseos
    cpe:/a:redhat:rhel_eus:9.4::appstream
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Red Hat Red Hat OpenShift Container Platform 4.16 Unaffected: 416.94.202411261619-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.16::el9
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Red Hat Red Hat OpenShift Container Platform 4.17 Unaffected: 417.94.202411261220-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.17::el9
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Red Hat Red Hat OpenShift AI 2.16 Unaffected: sha256:c2a79db6d2ba9c313640149a55f306e8aa4dc36f3cc24bf554c025503b013644 , < * (rpm)
    cpe:/a:redhat:openshift_ai:2.16::el8
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Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
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Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
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Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
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Date Public
2024-11-07 00:00
Show details on NVD website
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\"https://access.redhat.com/errata/RHSA-2024:10244\", \"name\": \"RHSA-2024:10244\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2024:10379\", \"name\": \"RHSA-2024:10379\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2024:10518\", \"name\": \"RHSA-2024:10518\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2024:10528\", \"name\": \"RHSA-2024:10528\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2024:10852\", \"name\": \"RHSA-2024:10852\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/security/cve/CVE-2024-10963\", \"tags\": [\"vdb-entry\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=2324291\", \"name\": \"RHBZ#2324291\", \"tags\": [\"issue-tracking\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://github.com/linux-pam/linux-pam/issues/834\"}, {\"url\": \"https://github.com/linux-pam/linux-pam/pull/835\"}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"To reduce the risk, administrators should ensure that no DNS hostname matches local TTY or service names used in pam_access. 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This issue poses a risk for systems that rely on this feature to control who can access certain services or terminals.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-287\", \"description\": \"Improper Authentication\"}]}], \"providerMetadata\": {\"orgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"shortName\": \"redhat\", \"dateUpdated\": \"2026-03-24T16:53:47.820Z\"}, \"x_redhatCweChain\": \"CWE-287: Improper Authentication\"}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-10963\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-03-24T16:53:47.820Z\", \"dateReserved\": \"2024-11-07T07:29:13.250Z\", \"assignerOrgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"datePublished\": \"2024-11-07T16:02:34.873Z\", \"assignerShortName\": \"redhat\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Tags
Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.