rhsa-2016_1840
Vulnerability from csaf_redhat
Published
2016-09-08 18:14
Modified
2024-11-05 19:26
Summary
Red Hat Security Advisory: eap7-jboss-ec2-eap security, bug fix, and enhancement update

Notes

Topic
An update for eap7-jboss-ec2-eap is now available for Red Hat JBoss Enterprise Application Platform 7.0 for RHEL 6 and Red Hat JBoss Enterprise Application Platform 7.0 for RHEL 7. Red Hat Product Security has rated this update as having a security impact of Important. 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 eap7-jboss-ec2-eap packages provide scripts for Red Hat JBoss Enterprise Application Platform running on the Amazon Web Services (AWS) Elastic Compute Cloud (EC2). With this update, the eap7-jboss-ec2-eap package has been updated to ensure compatibility with Red Hat JBoss Enterprise Application Platform 7.0.2. Refer to the JBoss Enterprise Application Platform 7.0.2 Release Notes, linked to in the References section, for information about the most significant bug fixes and enhancements included in this release. Security Fix(es): * It was found that the Java Standard Tag Library (JSTL) allowed the processing of untrusted XML documents to utilize external entity references, which could access resources on the host system and, potentially, allowing arbitrary code execution. (CVE-2015-0254) * It was reported that EAP 7 Application Server/Undertow web server is vulnerable to the injection of arbitrary HTTP headers, and also response splitting, due to insufficient sanitization and validation of user input before the input is used as part of an HTTP header value. (CVE-2016-4993) * The domain controller will not propagate its administrative RBAC configuration to some slaves. An attacker could use this to escalate their privileges. (CVE-2016-5406) Red Hat would like to thank Calum Hutton (NCC Group) and Mikhail Egorov (Odin) for reporting CVE-2016-4993. The CVE-2016-5406 issue was discovered by Tomaz Cerar (Red Hat).
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.


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  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
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          ]
        },
        {
          "names": [
            "David Jorm"
          ],
          "organization": "IIX"
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          "category": "description",
          "text": "It was found that the Java Standard Tag Library (JSTL) allowed the processing of untrusted XML documents to utilize external entity references, which could access resources on the host system and, potentially, allowing arbitrary code execution.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "jakarta-taglibs-standard: XXE and RCE via XSL extension in JSTL XML tags",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Users of EAP 6.x and 7.0 should upgrade to at least 6.4.9 and pass the following system property on startup to prevent XXE attacks in JSTL:\norg.apache.taglibs.standard.xml.accessExternalEntity=false\n\nFor more details please see refer to this KCS solution:\nhttps://access.redhat.com/solutions/1584363",
          "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-2015-0254"
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          "summary": "RHBZ#1198606",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1198606"
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2015-0254",
          "url": "https://www.cve.org/CVERecord?id=CVE-2015-0254"
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          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2015-0254",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2015-0254"
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      "release_date": "2015-02-27T00:00:00+00:00",
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          "category": "vendor_fix",
          "date": "2016-09-08T18:14:07+00:00",
          "details": "Before applying this update, back up your existing Red Hat JBoss Enterprise Application Platform installation and deployed applications.\n\nFor details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe JBoss server process must be restarted for the update to take effect.",
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          "url": "https://access.redhat.com/errata/RHSA-2016:1840"
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          "details": "Users should upgrade to Apache Standard Taglibs 1.2.3 or later.\n\nThis version uses JAXP\u2019s FEATURE_SECURE_PROCESSING to restrict XML processing. Depending on the Java runtime version in use, additional configuration may be required:\n\nJava8:\nExternal entity access is automatically disabled if a SecurityManager is active.\n\nJava7:\nJAXP properties may need to be used to disable external access. See http://docs.oracle.com/javase/tutorial/jaxp/properties/properties.html\n\nJava6 and earlier:\nA new system property org.apache.taglibs.standard.xml.accessExternalEntity may be used to specify the protocols that can be used to access external entities. This defaults to \"all\" if no SecurityManager is present and to \"\" (thereby disabling access) if a SecurityManager is detected.",
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            "confidentialityImpact": "LOW",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
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            "userInteraction": "REQUIRED",
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "jakarta-taglibs-standard: XXE and RCE via XSL extension in JSTL XML tags"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Calum Hutton"
          ],
          "organization": "NCC Group"
        },
        {
          "names": [
            "Mikhail Egorov"
          ],
          "organization": "Odin"
        }
      ],
      "cve": "CVE-2016-4993",
      "cwe": {
        "id": "CWE-113",
        "name": "Improper Neutralization of CRLF Sequences in HTTP Headers (\u0027HTTP Request/Response Splitting\u0027)"
      },
      "discovery_date": "2016-06-08T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1344321"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "It was reported that EAP 7 Application Server/Undertow web server is vulnerable to the injection of arbitrary HTTP headers, and also response splitting, due to insufficient sanitization and validation of user input before the input is used as part of an HTTP header value.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "eap: HTTP header injection / response splitting",
          "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"
        }
      ],
      "product_status": {
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2016-4993"
        },
        {
          "category": "external",
          "summary": "RHBZ#1344321",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1344321"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2016-4993",
          "url": "https://www.cve.org/CVERecord?id=CVE-2016-4993"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2016-4993",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-4993"
        }
      ],
      "release_date": "2016-09-08T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2016-09-08T18:14:07+00:00",
          "details": "Before applying this update, back up your existing Red Hat JBoss Enterprise Application Platform installation and deployed applications.\n\nFor details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe JBoss server process must be restarted for the update to take effect.",
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          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2016:1840"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 5.8,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
            "version": "2.0"
          },
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
            "version": "3.0"
          },
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      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
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      ],
      "title": "eap: HTTP header injection / response splitting"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Tomaz Cerar"
          ],
          "organization": "Red Hat",
          "summary": "This issue was discovered by Red Hat."
        }
      ],
      "cve": "CVE-2016-5406",
      "discovery_date": "2016-06-22T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1359014"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "The domain controller will not propagate its administrative RBAC configuration to some slaves. An attacker could use this to escalate their privileges.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "EAP7 Privilege escalation when managing domain including earlier version slaves",
          "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"
        }
      ],
      "product_status": {
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2016-5406"
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          "category": "external",
          "summary": "RHBZ#1359014",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1359014"
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        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2016-5406",
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          "category": "external",
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            "vectorString": "AV:A/AC:M/Au:S/C:P/I:C/A:C",
            "version": "2.0"
          },
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            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:A/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:H",
            "version": "3.0"
          },
          "products": [
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "EAP7 Privilege escalation when managing domain including earlier version slaves"
    }
  ]
}


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  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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