csaf_redhat - rhsa-2022

rhsa-2022_0990

Vulnerability from csaf_redhat

Published

2022-03-24 10:59

Modified

2024-11-06 00:36

Summary

Red Hat Security Advisory: Red Hat OpenStack Platform 16.1 (openstack-neutron) security update

Notes

Topic

An update for openstack-neutron is now available for Red Hat OpenStack Platform 16.1 (Train). 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

OpenStack Networking (neutron) is a virtual network service for OpenStack. Just as OpenStack Compute (nova) provides an API to dynamically request and configure virtual servers, OpenStack Networking provides an API to dynamically request and configure virtual networks. These networks connect 'interfaces' from other OpenStack services (e.g. virtual NICs from Compute VMs). The OpenStack Networking API supports extensions to provide advanced network capabilities (e.g. QoS, ACLs, network monitoring, etc.) Security Fix(es): * Routes middleware memory leak for nonexistent controllers (CVE-2021-40797) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section.

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": [
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      "cve": "CVE-2021-40797",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "discovery_date": "2021-09-09T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2003248"
        }
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      "notes": [
        {
          "category": "description",
          "text": "A resource-allocation flaw was found in openstack-neutron. An authenticated attacker could make API requests involving nonexistent controllers causing the API worker to consume increasing amounts of memory. This flaw could be exploited to force API performance degradation or denial of service.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "openstack-neutron: Routes middleware memory leak for nonexistent controllers",
          "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"
        }
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        },
        {
          "category": "external",
          "summary": "RHBZ#2003248",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2003248"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2021-40797",
          "url": "https://www.cve.org/CVERecord?id=CVE-2021-40797"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-40797",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-40797"
        },
        {
          "category": "external",
          "summary": "https://security.openstack.org/ossa/OSSA-2021-006.html",
          "url": "https://security.openstack.org/ossa/OSSA-2021-006.html"
        }
      ],
      "release_date": "2021-09-08T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2022-03-24T10:59:15+00:00",
          "details": "For details on how to apply this update, which includes the changes\ndescribed 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-2022:0990"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
          "product_ids": [
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        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
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            "8Base-RHOS-16.1:openstack-neutron-openvswitch-1:15.2.1-1.20220112133420.el8ost.noarch",
            "8Base-RHOS-16.1:openstack-neutron-rpc-server-1:15.2.1-1.20220112133420.el8ost.noarch",
            "8Base-RHOS-16.1:openstack-neutron-sriov-nic-agent-1:15.2.1-1.20220112133420.el8ost.noarch",
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "openstack-neutron: Routes middleware memory leak for nonexistent controllers"
    }
  ]
}

cve-2021-40797

Vulnerability from cvelistv5

Published

2021-09-08 19:11

Modified

2024-08-04 02:51

Severity ?

Summary

An issue was discovered in the routes middleware in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. By making API requests involving nonexistent controllers, an authenticated user may cause the API worker to consume increasing amounts of memory, resulting in API performance degradation or denial of service.

References

▼	URL	Tags
	https://launchpad.net/bugs/1942179	x_refsource_MISC
	https://security.openstack.org/ossa/OSSA-2021-006.html	x_refsource_CONFIRM
	http://www.openwall.com/lists/oss-security/2021/09/09/2	mailing-list, x_refsource_MLIST

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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