rhsa-2017_1840
Vulnerability from csaf_redhat
Published
2017-07-31 16:53
Modified
2024-11-14 23:36
Summary
Red Hat Security Advisory: devtoolset-4-jackson-databind security update

Notes

Topic
An update for devtoolset-4-jackson-databind is now available for Red Hat Software Collections. 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 jackson-databind package provides general data-binding functionality for Jackson, which works on top of Jackson core streaming API. Security Fix(es): * 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 this issue.
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": [
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            "Liao Xinxi"
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          "organization": "NSFOCUS"
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      "cve": "CVE-2017-7525",
      "cwe": {
        "id": "CWE-20",
        "name": "Improper Input Validation"
      },
      "discovery_date": "2017-06-16T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1462702"
        }
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      "notes": [
        {
          "category": "description",
          "text": "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.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "jackson-databind: Deserialization vulnerability via readValue method of ObjectMapper",
          "title": "Vulnerability summary"
        },
        {
          "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": {
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      },
      "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": "2017-07-31T16:53:10+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2017:1840"
        },
        {
          "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",
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      "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"
          },
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        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "jackson-databind: Deserialization vulnerability via readValue method of ObjectMapper"
    }
  ]
}


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