CVE-2017-5936
HIGH severity · CVSS 7.5
7.5CVSS HIGH
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactHigh
Availability impactNone
Exploit probability (EPSS)3%
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: http://www.openwall.com/lists/oss-security/2017/02/09/3 ↗
Additional information
- NVD record
- http://www.openwall.com/lists/oss-security/2017/02/09/3Patch
- https://bugs.launchpad.net/nova-lxd/+bug/1656847Patch
- https://github.com/openstack/nova-lxd/commit/1b76cefb92081efa1e88cd8f330253f857028bd2Patch
- http://www.securityfocus.com/bid/96182Advisory
- http://www.ubuntu.com/usn/USN-3195-1Advisory