rhsa-2017_2553
Vulnerability from csaf_redhat
Published
2017-08-30 13:59
Modified
2024-11-14 23:36
Summary
Red Hat Security Advisory: openvswitch security update

Notes

Topic
An update for openvswitch is now available for Red Hat OpenStack Platform 9.0 (Mitaka). Red Hat Product Security has rated this update as having a security impact of Moderate. 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
Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic. Security Fix(es): * An unsigned int wrap around leading to a buffer over-read was found when parsing OFPT_QUEUE_GET_CONFIG_REPLY messages in Open vSwitch (OvS). An attacker could use this flaw to cause a remote DoS. (CVE-2017-9214) * In Open vSwitch (OvS), while parsing an OpenFlow role status message there is a call to the abort() function for undefined role status reasons in the function `ofp_print_role_status_message` in `lib/ofp-print.c` that may be leveraged toward a remote DoS attack by a malicious switch. (CVE-2017-9263) * A buffer over-read flaw was found in Open vSwitch (OvS) while parsing the group mod OpenFlow messages sent from the controller. An attacker could use this flaw to cause a Denial of Service (DoS). (CVE-2017-9265)
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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          "text": "An unsigned integer wrap around that led to a buffer over-read was found when parsing OFPT_QUEUE_GET_CONFIG_REPLY messages in Open vSwitch (OvS). An attacker could use this issue to cause a remote denial of service attack.",
          "title": "Vulnerability description"
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        {
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          "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.",
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            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
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          "text": "While parsing an OpenFlow role status message Open vSwitch (OvS), a call to the abort() function for undefined role status reasons in the function \u0027ofp_print_role_status_message\u0027 in \u0027lib/ofp-print.c\u0027 could be misused for a remote denial of service attack by a malicious switch.",
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          "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.",
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          "date": "2017-08-30T13:59:59+00:00",
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            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
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          "products": [
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      "title": "openvswitch: Invalid processing of a malicious OpenFlow role status message"
    },
    {
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        "name": "Heap-based Buffer Overflow"
      },
      "discovery_date": "2017-05-28T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1457335"
        }
      ],
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        {
          "category": "description",
          "text": "A buffer over-read issue was found in Open vSwitch (OvS) which emerged while parsing the GroupMod OpenFlow messages sent from the controller. The issue could enable an attacker to cause a denial of service type of attack.",
          "title": "Vulnerability description"
        },
        {
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          "text": "openvswitch: Buffer over-read while parsing the group mod OpenFlow message",
          "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.",
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        }
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        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2017-9265",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-9265"
        }
      ],
      "release_date": "2017-05-26T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2017-08-30T13:59:59+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-RH7-RHOS-9.0:openvswitch-0:2.5.0-15.git20160727.el7ost.src",
            "7Server-RH7-RHOS-9.0:openvswitch-0:2.5.0-15.git20160727.el7ost.x86_64",
            "7Server-RH7-RHOS-9.0:openvswitch-debuginfo-0:2.5.0-15.git20160727.el7ost.x86_64",
            "7Server-RH7-RHOS-9.0:python-openvswitch-0:2.5.0-15.git20160727.el7ost.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2017:2553"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.6,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.0"
          },
          "products": [
            "7Server-RH7-RHOS-9.0:openvswitch-0:2.5.0-15.git20160727.el7ost.src",
            "7Server-RH7-RHOS-9.0:openvswitch-0:2.5.0-15.git20160727.el7ost.x86_64",
            "7Server-RH7-RHOS-9.0:openvswitch-debuginfo-0:2.5.0-15.git20160727.el7ost.x86_64",
            "7Server-RH7-RHOS-9.0:python-openvswitch-0:2.5.0-15.git20160727.el7ost.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "openvswitch: Buffer over-read while parsing the group mod OpenFlow message"
    }
  ]
}


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