rhsa-2020_3970
Vulnerability from csaf_redhat
Published
2020-09-29 19:31
Modified
2024-11-05 22:45
Summary
Red Hat Security Advisory: mod_auth_openidc security update

Notes

Topic
An update for mod_auth_openidc is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The mod_auth_openidc is an OpenID Connect authentication module for Apache HTTP Server. It enables an Apache HTTP Server to operate as an OpenID Connect Relying Party and/or OAuth 2.0 Resource Server. Security Fix(es): * mod_auth_openidc: Open redirect in logout url when using URLs with leading slashes (CVE-2019-14857) * mod_auth_openidc: Open redirect issue exists in URLs with slash and backslash (CVE-2019-20479) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.9 Release Notes linked from the References section.
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": [
    {
      "cve": "CVE-2019-14857",
      "cwe": {
        "id": "CWE-601",
        "name": "URL Redirection to Untrusted Site (\u0027Open Redirect\u0027)"
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      "discovery_date": "2019-10-04T00:00:00+00:00",
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          "text": "1760613"
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      "notes": [
        {
          "category": "description",
          "text": "An open redirect flaw was discovered in mod_auth_openidc, where it handles logout redirection. The module does not correctly validate the URL, allowing a URL with leading slashes to bypass the protection checks. A victim user may be tricked into visiting a trusted vulnerable web site, which would redirect them to another possibly malicious URL.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "mod_auth_openidc: Open redirect in logout url when using URLs with leading slashes",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "It is not possible to reproduce the open redirect vulnerability in the versions of mod_auth_openidc as shipped in Red Hat Enterprise Linux 7, as a missing check makes the process crash, due to a NULL pointer dereference, instead of letting it continue with an invalid URL.",
          "title": "Statement"
        },
        {
          "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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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-14857"
        },
        {
          "category": "external",
          "summary": "RHBZ#1760613",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1760613"
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        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-14857",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-14857"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-14857",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-14857"
        }
      ],
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          "date": "2020-09-29T19:31:02+00:00",
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            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L",
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          "details": "Low"
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      ],
      "title": "mod_auth_openidc: Open redirect in logout url when using URLs with leading slashes"
    },
    {
      "cve": "CVE-2019-20479",
      "cwe": {
        "id": "CWE-601",
        "name": "URL Redirection to Untrusted Site (\u0027Open Redirect\u0027)"
      },
      "discovery_date": "2020-02-20T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1805102"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "An open redirect flaw was discovered in mod_auth_openidc where it handles logout redirection. The module does not correctly validate the URL, allowing a URL with slash and backslash at the beginning to bypass the protection checks. A victim user may be tricked into visiting a trusted vulnerable web site, which would redirect him to another, possibly malicious, URL.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "mod_auth_openidc: Open redirect issue exists in URLs with slash and backslash",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "It is not possible to reproduce the open redirect vulnerability in the versions of mod_auth_openidc as shipped in Red Hat Enterprise Linux 7, as a missing check makes the process crash, due to a NULL pointer dereference, instead of letting it continue with an invalid URL.",
          "title": "Statement"
        },
        {
          "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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          "summary": "RHBZ#1805102",
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          "category": "external",
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        {
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      ],
      "title": "mod_auth_openidc: Open redirect issue exists in URLs with slash and backslash"
    }
  ]
}


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