rhsa-2014_1803
Vulnerability from csaf_redhat
Published
2014-11-05 09:51
Modified
2024-11-22 08:38
Summary
Red Hat Security Advisory: mod_auth_mellon security update

Notes

Topic
An updated mod_auth_mellon package that fixes two security issues is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.
Details
mod_auth_mellon provides a SAML 2.0 authentication module for the Apache HTTP Server. An information disclosure flaw was found in mod_auth_mellon's session handling that could lead to sessions overlapping in memory. A remote attacker could potentially use this flaw to obtain data from another user's session. (CVE-2014-8566) It was found that uninitialized data could be read when processing a user's logout request. By attempting to log out, a user could possibly cause the Apache HTTP Server to crash. (CVE-2014-8567) Red Hat would like to thank the mod_auth_mellon team for reporting these issues. Upstream acknowledges Matthew Slowe as the original reporter of CVE-2014-8566. All users of mod_auth_mellon are advised to upgrade to this updated package, which contains a backported patch to correct these issues.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.


To clipboard 

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  "vulnerabilities": [
    {
      "acknowledgments": [
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        {
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            "Matthew Slowe"
          ],
          "summary": "Acknowledged by upstream."
        }
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      "cve": "CVE-2014-8566",
      "cwe": {
        "id": "CWE-200",
        "name": "Exposure of Sensitive Information to an Unauthorized Actor"
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      "discovery_date": "2014-10-24T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1157281"
        }
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      "notes": [
        {
          "category": "description",
          "text": "An information disclosure flaw was found in mod_auth_mellon\u0027s session handling that could lead to session overlapping in memory. A remote attacker could potentially use this flaw to obtain data from another user\u0027s session.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "mod_auth_mellon: remote memory disclosure flaw",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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            "authentication": "NONE",
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            "baseScore": 5.0,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
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    },
    {
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        {
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          ]
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      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1157954"
        }
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          "category": "description",
          "text": "It was found that uninitialized data could be accessed when processing a user\u0027s logout request. By attempting to log out, a user could possibly cause the Apache HTTP Server to crash.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "mod_auth_mellon: logout processing leads to denial of service",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
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      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "mod_auth_mellon: logout processing leads to denial of service"
    }
  ]
}


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