rhsa-2017_2638
Vulnerability from csaf_redhat
Published
2017-09-05 15:36
Modified
2024-11-14 23:37
Summary
Red Hat Security Advisory: jboss-ec2-eap security, bug fix, and enhancement update

Notes

Topic
An update for jboss-ec2-eap is now available for Red Hat JBoss Enterprise Application Platform 6.4 for Red Hat Enterprise Linux 6. 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 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 jboss-ec2-eap package has been updated to ensure compatibility with Red Hat JBoss Enterprise Application Platform 6.4.17. Security Fix(es): * It was found that when using remote logging with log4j socket server the log4j server would deserialize any log event received via TCP or UDP. An attacker could use this flaw to send a specially crafted log event that, during deserialization, would execute arbitrary code in the context of the logger application. (CVE-2017-5645) * A vulnerability was discovered in the error page mechanism in Tomcat's DefaultServlet implementation. A crafted HTTP request could cause undesired side effects, possibly including the removal or replacement of the custom error page. (CVE-2017-5664) * A deserialization flaw was discovered in the jackson-databind which could allow an unauthenticated user to perform code execution by sending the maliciously crafted input to the readValue method of the ObjectMapper. (CVE-2017-7525) Red Hat would like to thank Liao Xinxi (NSFOCUS) for reporting CVE-2017-7525.
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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          "text": "The flaw in Log4j-1.x is now identified by CVE-2019-17571. CVE-2017-5645 has been assigned by MITRE to a similar flaw identified in Log4j-2.x",
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      "title": "log4j: Socket receiver deserialization vulnerability"
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        "name": "Incorrect Privilege Assignment"
      },
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          "text": "tomcat: Security constrained bypass in error page mechanism",
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          "text": "This flaw can be triggered for static error pages only if the readonly property for the DefaultServlet is set to false in the $CATALINA_HOME/conf/web.xml file.  The default for readonly is true.",
          "title": "Statement"
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        {
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          "restart_required": {
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          "url": "https://access.redhat.com/errata/RHSA-2017:2638"
        },
        {
          "category": "workaround",
          "details": "If it is necessary to have the DefaultServlet property readonly=false, use a jsp error page, for example Error404.jsp rather than a static html error page. Alternatively do not specify an error-page in the Deployment Descriptor and use a custom ErrorReportValve.",
          "product_ids": [
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            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.0"
          },
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      ],
      "title": "tomcat: Security constrained bypass in error page mechanism"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Liao Xinxi"
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          "organization": "NSFOCUS"
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      "cve": "CVE-2017-7525",
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        "name": "Improper Input Validation"
      },
      "discovery_date": "2017-06-16T00:00:00+00:00",
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          "text": "jackson-databind: Deserialization vulnerability via readValue method of ObjectMapper",
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        },
        {
          "category": "other",
          "text": "This issue affects the versions of jackson-databind (in Satellite 6.0 and 6.1) and candlepin (which embeds a copy of jackson-databind in Satellite 6.2) as shipped with Red Hat Satellite 6.x. However the affected code is NOT used at this time:\n\nCandlepin currently uses the default type resolution configuration for the ObjectMappers it creates/uses. Nowhere in candlepin do we enable global polymorphic deserialization via enableDefaultTyping(...), therefore based on the documentation sited BZ 1462702 , candlepin should not be affected.\n\nHowever as the vulnerable software ships with the product we have marked them as vulnerable to ensure the issue is tracked.\n\nJBoss EAP 7.x only uses the vulnerable Jackson Databind library for marshalling and unmarshalling of JSON objects passed to JAX-RS webservices. Some advise about how to remain safe when using JAX-RS webservices on JBoss EAP 7.x is available here: \n\nhttps://access.redhat.com/solutions/3279231\n\nAlthough JBoss Fuse ships the vulnerable version of jackson-databind, it does not call on enableDefaultTyping() for any polymorphic deserialization operations which is the root cause of this vulnerability. We have raised a Jira tracker to ensure that jackson-databind will be upgraded for Fuse 7.0, however due to feasibility issues jackson-databind cannot be upgraded in JBoss Fuse 6.3.",
          "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"
        }
      ],
      "product_status": {
        "fixed": [
          "6Server-JBEAP-6.4:jboss-ec2-eap-0:7.5.17-1.Final_redhat_4.ep6.el6.noarch",
          "6Server-JBEAP-6.4:jboss-ec2-eap-0:7.5.17-1.Final_redhat_4.ep6.el6.src",
          "6Server-JBEAP-6.4:jboss-ec2-eap-samples-0:7.5.17-1.Final_redhat_4.ep6.el6.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2017-7525"
        },
        {
          "category": "external",
          "summary": "RHBZ#1462702",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1462702"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2017-7525",
          "url": "https://www.cve.org/CVERecord?id=CVE-2017-7525"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2017-7525",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-7525"
        }
      ],
      "release_date": "2017-07-14T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2017-09-05T15:36:46+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",
          "product_ids": [
            "6Server-JBEAP-6.4:jboss-ec2-eap-0:7.5.17-1.Final_redhat_4.ep6.el6.noarch",
            "6Server-JBEAP-6.4:jboss-ec2-eap-0:7.5.17-1.Final_redhat_4.ep6.el6.src",
            "6Server-JBEAP-6.4:jboss-ec2-eap-samples-0:7.5.17-1.Final_redhat_4.ep6.el6.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2017:2638"
        },
        {
          "category": "workaround",
          "details": "Mitigation to this problem is to not trigger polymorphic desrialization globally by using: objectMapper.enableDefaultTyping() and rather use @JsonTypeInfo on the class property to explicitly define the type information. For more information on this issue please refer to https://www.github.com/mbechler/marshalsec/blob/master/marshalsec.pdf?raw=true",
          "product_ids": [
            "6Server-JBEAP-6.4:jboss-ec2-eap-0:7.5.17-1.Final_redhat_4.ep6.el6.noarch",
            "6Server-JBEAP-6.4:jboss-ec2-eap-0:7.5.17-1.Final_redhat_4.ep6.el6.src",
            "6Server-JBEAP-6.4:jboss-ec2-eap-samples-0:7.5.17-1.Final_redhat_4.ep6.el6.noarch"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "6Server-JBEAP-6.4:jboss-ec2-eap-0:7.5.17-1.Final_redhat_4.ep6.el6.noarch",
            "6Server-JBEAP-6.4:jboss-ec2-eap-0:7.5.17-1.Final_redhat_4.ep6.el6.src",
            "6Server-JBEAP-6.4:jboss-ec2-eap-samples-0:7.5.17-1.Final_redhat_4.ep6.el6.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "jackson-databind: Deserialization vulnerability via readValue method of ObjectMapper"
    },
    {
      "cve": "CVE-2019-17571",
      "cwe": {
        "id": "CWE-502",
        "name": "Deserialization of Untrusted Data"
      },
      "discovery_date": "2019-12-20T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1785616"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was discovered in Log4j, where a vulnerable SocketServer class may lead to the deserialization of untrusted data. This flaw allows an attacker to remotely execute arbitrary code when combined with a deserialization gadget.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "log4j: deserialization of untrusted data in SocketServer",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is the same issue as CVE-2017-5645. MITRE has CVE-2017-5645 to a similar flaw found in log4j-2.x. The flaw found in log4j-1.2 has been assigned CVE-2019-17571. CVE-2019-17571 has been addressed in Red Hat Enterprise Linux via RHSA-2017:2423.\nAlso the rh-java-common-log4j package shipped with Red Hat Software Collections was addressed via RHSA-2017:1417\n\nIn Satellite 5.8, although the version of log4j as shipped in the nutch package is affected, nutch does not load any of the SocketServer classes from log4j. Satellite 5 is considered not vulnerable to this flaw since the affected code can not be reached.",
          "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"
        }
      ],
      "product_status": {
        "fixed": [
          "6Server-JBEAP-6.4:jboss-ec2-eap-0:7.5.17-1.Final_redhat_4.ep6.el6.noarch",
          "6Server-JBEAP-6.4:jboss-ec2-eap-0:7.5.17-1.Final_redhat_4.ep6.el6.src",
          "6Server-JBEAP-6.4:jboss-ec2-eap-samples-0:7.5.17-1.Final_redhat_4.ep6.el6.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-17571"
        },
        {
          "category": "external",
          "summary": "RHBZ#1785616",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1785616"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-17571",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-17571"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-17571",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-17571"
        }
      ],
      "release_date": "2019-12-20T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2017-09-05T15:36:46+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",
          "product_ids": [
            "6Server-JBEAP-6.4:jboss-ec2-eap-0:7.5.17-1.Final_redhat_4.ep6.el6.noarch",
            "6Server-JBEAP-6.4:jboss-ec2-eap-0:7.5.17-1.Final_redhat_4.ep6.el6.src",
            "6Server-JBEAP-6.4:jboss-ec2-eap-samples-0:7.5.17-1.Final_redhat_4.ep6.el6.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2017:2638"
        },
        {
          "category": "workaround",
          "details": "Please note that the Log4j upstream strongly recommends against using the SerializedLayout with the SocketAppenders. Customers may mitigate this issue by removing the SocketServer class outright; or if they must continue to use SocketAppenders, they can modify their SocketAppender configuration from SerializedLayout to use JsonLayout instead. An example of this in log4j-server.properties might look like this:\n\nlog4j.appender.file.layout=org.apache.log4j.JsonLayout",
          "product_ids": [
            "6Server-JBEAP-6.4:jboss-ec2-eap-0:7.5.17-1.Final_redhat_4.ep6.el6.noarch",
            "6Server-JBEAP-6.4:jboss-ec2-eap-0:7.5.17-1.Final_redhat_4.ep6.el6.src",
            "6Server-JBEAP-6.4:jboss-ec2-eap-samples-0:7.5.17-1.Final_redhat_4.ep6.el6.noarch"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "6Server-JBEAP-6.4:jboss-ec2-eap-0:7.5.17-1.Final_redhat_4.ep6.el6.noarch",
            "6Server-JBEAP-6.4:jboss-ec2-eap-0:7.5.17-1.Final_redhat_4.ep6.el6.src",
            "6Server-JBEAP-6.4:jboss-ec2-eap-samples-0:7.5.17-1.Final_redhat_4.ep6.el6.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "log4j: deserialization of untrusted data in SocketServer"
    }
  ]
}


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