rhsa-2017_3141
Vulnerability from csaf_redhat
Published
2017-11-07 17:23
Modified
2024-11-14 23:39
Summary
Red Hat Security Advisory: rhvm-appliance security, bug fix, and enhancement update

Notes

Topic
An update for rhvm-appliance is now available for RHEV 4.X RHEV-H and Agents 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 RHV-M Virtual Appliance automates the process of installing and configuring the Red Hat Virtualization Manager. The appliance is available to download as an OVA file from the Customer Portal. The following packages have been upgraded to a later upstream version: rhvm-appliance (20171019.0). (BZ#1496586) 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) * A vulnerability was found in Jasypt that would allow an attacker to perform a timing attack on password hash comparison. (CVE-2014-9970) * It was found that when the security manager's reflective permissions, which allows it to access the private members of the class, are granted to Hibernate Validator, a potential privilege escalation can occur. By allowing the calling code to access those private members without the permission an attacker may be able to validate an invalid instance and access the private member value via ConstraintViolation#getInvalidValue(). (CVE-2017-7536) Red Hat would like to thank Liao Xinxi (NSFOCUS) for reporting CVE-2017-7525. The CVE-2017-7536 issue was discovered by Gunnar Morling (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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          "title": "Vulnerability description"
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          "title": "Vulnerability summary"
        },
        {
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        }
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          "date": "2017-11-07T17:23:02+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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            "baseSeverity": "MEDIUM",
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            "integrityImpact": "NONE",
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            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.0"
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      ],
      "threats": [
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          "details": "Moderate"
        }
      ],
      "title": "jasypt: Vulnerable to timing attack against the password hash comparison"
    },
    {
      "acknowledgments": [
        {
          "names": [
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          ],
          "organization": "NSFOCUS"
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      "cve": "CVE-2017-7525",
      "cwe": {
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        "name": "Improper Input Validation"
      },
      "discovery_date": "2017-06-16T00:00:00+00:00",
      "ids": [
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          "text": "1462702"
        }
      ],
      "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"
        }
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          "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": "2017-11-07T17:23:02+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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            "7Server-RHEV-4-Hypervisor-7:rhvm-appliance-1:4.1.20171102.0-1.el7.noarch",
            "7Server-RHEV-4-Hypervisor-7:rhvm-appliance-1:4.1.20171102.0-1.el7.src"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2017:3141"
        },
        {
          "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": [
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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"
          },
          "products": [
            "7Server-RHEV-4-Agents-7:rhvm-appliance-1:4.1.20171102.0-1.el7.noarch",
            "7Server-RHEV-4-Agents-7:rhvm-appliance-1:4.1.20171102.0-1.el7.src",
            "7Server-RHEV-4-Hypervisor-7:rhvm-appliance-1:4.1.20171102.0-1.el7.noarch",
            "7Server-RHEV-4-Hypervisor-7:rhvm-appliance-1:4.1.20171102.0-1.el7.src"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "jackson-databind: Deserialization vulnerability via readValue method of ObjectMapper"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Gunnar Morling"
          ],
          "organization": "Red Hat",
          "summary": "This issue was discovered by Red Hat."
        }
      ],
      "cve": "CVE-2017-7536",
      "discovery_date": "2017-06-27T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1465573"
        }
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      "notes": [
        {
          "category": "description",
          "text": "It was found that when the security manager\u0027s reflective permissions, which allows it to access the private members of the class, are granted to Hibernate Validator, a potential privilege escalation can occur. By allowing the calling code to access those private members without the permission an attacker may be able to validate an invalid instance and access the private member value via ConstraintViolation#getInvalidValue().",
          "title": "Vulnerability description"
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        {
          "category": "summary",
          "text": "hibernate-validator: Privilege escalation when running under the security manager",
          "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": {
        "fixed": [
          "7Server-RHEV-4-Agents-7:rhvm-appliance-1:4.1.20171102.0-1.el7.noarch",
          "7Server-RHEV-4-Agents-7:rhvm-appliance-1:4.1.20171102.0-1.el7.src",
          "7Server-RHEV-4-Hypervisor-7:rhvm-appliance-1:4.1.20171102.0-1.el7.noarch",
          "7Server-RHEV-4-Hypervisor-7:rhvm-appliance-1:4.1.20171102.0-1.el7.src"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2017-7536"
        },
        {
          "category": "external",
          "summary": "RHBZ#1465573",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1465573"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2017-7536",
          "url": "https://www.cve.org/CVERecord?id=CVE-2017-7536"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2017-7536",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-7536"
        }
      ],
      "release_date": "2017-09-26T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2017-11-07T17:23:02+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",
          "product_ids": [
            "7Server-RHEV-4-Agents-7:rhvm-appliance-1:4.1.20171102.0-1.el7.noarch",
            "7Server-RHEV-4-Agents-7:rhvm-appliance-1:4.1.20171102.0-1.el7.src",
            "7Server-RHEV-4-Hypervisor-7:rhvm-appliance-1:4.1.20171102.0-1.el7.noarch",
            "7Server-RHEV-4-Hypervisor-7:rhvm-appliance-1:4.1.20171102.0-1.el7.src"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2017:3141"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.0"
          },
          "products": [
            "7Server-RHEV-4-Agents-7:rhvm-appliance-1:4.1.20171102.0-1.el7.noarch",
            "7Server-RHEV-4-Agents-7:rhvm-appliance-1:4.1.20171102.0-1.el7.src",
            "7Server-RHEV-4-Hypervisor-7:rhvm-appliance-1:4.1.20171102.0-1.el7.noarch",
            "7Server-RHEV-4-Hypervisor-7:rhvm-appliance-1:4.1.20171102.0-1.el7.src"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "hibernate-validator: Privilege escalation when running under the security manager"
    }
  ]
}


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