7.5high

CVE-2017-5936

OpenStack Nova-LXD bypass security restrictions

Also known as GHSA-6xc7-4cx8-j3xc, PYSEC-2017-21

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.9%
percentile 87%
Public exploits
0
none known

Summary

OpenStack Nova-LXD before 13.1.1 uses the wrong name for the veth pairs when applying Neutron security group rules for instances, which allows remote attackers to bypass intended security restrictions.

Exploit prediction (EPSS)

2.93% probability of exploitation in the next 30 days, higher than 87% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:P/A:N
GitHub3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected packages

EcosystemPackageAffectedFixed in
pypinova-lxd
<13.1.1
13.1.1

References

  • securityfocus.com /bid/96182 · vdb-entry, x_refsource_BID, x_transferred
  • bugs.launchpad.net /nova-lxd/+bug/1656847 · x_refsource_CONFIRM, x_transferred
  • ubuntu.com /usn/USN-3195-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • github.com /openstack/nova-lxd/commit/1b76cefb92081efa1e88cd8f330253f857028bd2 · x_refsource_CONFIRM, x_transferred
  • openwall.com /lists/oss-security/2017/02/09/3 · mailing-list, x_refsource_MLIST, x_transferred
  • nvd.nist.gov /vuln/detail/CVE-2017-5936 · advisory
  • github.com /openstack/nova-lxd · package
  • github.com /pypa/advisory-database/tree/main/vulns/nova-lxd/PYSEC-2017-21.yaml · web
  • web.archive.org /web/20200227193915/http://www.securityfocus.com/bid/96182 · web
  • github.com /advisories/GHSA-6xc7-4cx8-j3xc · advisory

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.