CVE-2017-7543 (GCVE-0-2017-7543)

Vulnerability from cvelistv5 – Published: 2018-07-26 14:00 – Updated: 2024-08-05 16:04
VLAI
Summary
A race-condition flaw was discovered in openstack-neutron before 7.2.0-12.1, 8.x before 8.3.0-11.1, 9.x before 9.3.1-2.1, and 10.x before 10.0.2-1.1, where, following a minor overcloud update, neutron security groups were disabled. Specifically, the following were reset to 0: net.bridge.bridge-nf-call-ip6tables and net.bridge.bridge-nf-call-iptables. The race was only triggered by an update, at which point an attacker could access exposed tenant VMs and network resources.
Severity
5.3 (Medium)
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
CWE
Assigner
References
URL Tags
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2017:2447 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2017:2451 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2017:2450 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2017:2448 vendor-advisoryx_refsource_REDHAT
http://www.securityfocus.com/bid/100237 vdb-entryx_refsource_BID
https://access.redhat.com/errata/RHSA-2017:2452 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2017:2449 vendor-advisoryx_refsource_REDHAT
Impacted products
Vendor Product Version
Red Hat openstack-neutron Affected: openstack-neutron-10.0.2-1.1
Affected: openstack-neutron-8.3.0-11.1
Affected: openstack-neutron-9.3.1-2.1
Affected: openstack-neutron-7.2.0-12.1
Create a notification for this product.
Date Public
2017-07-21 00:00
Show details on NVD website
To clipboard 

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  }
}


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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.