CVE-2017-7543CWE-362
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…
Medium · published July 26, 2018
What it is
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.
The record
Technical detail
- CVSS v3.0
- 5.3 · MEDIUM
- Vector
- CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
- CVSS v4.0
- Not supplied
- EPSS
- 0.01838 · 78.8th percentile
- Weakness
- CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
- Published
- 2018-07-26T14:00Z
EPSS history
Timeline
26 JUL 14:00Z
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…
cvelistv5