CVE-2017-5936
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data tampering.
- Exploit odds
- 3.0% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 3.0% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 3.0% · EPSS, next 30 days
- Record status
- Modified
Affected
- Canonical Ubuntu Linux 16.04
- Openstack nova-lxd ≤ 13.1.0
Attack profile CVSS 3.0 · 7.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Raw vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2017-5936.md and follow it. Check whether this project is affected by CVE-2017-5936. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://www.openwall.com/lists/oss-security/2017/02/09/3
- https://bugs.launchpad.net/nova-lxd/+bug/1656847
- https://github.com/openstack/nova-lxd/commit/1b76cefb92081efa1e88cd8f330253f857028bd2
- http://www.openwall.com/lists/oss-security/2017/02/09/3
- https://bugs.launchpad.net/nova-lxd/+bug/1656847
- https://github.com/openstack/nova-lxd/commit/1b76cefb92081efa1e88cd8f330253f857028bd2
References
- http://www.openwall.com/lists/oss-security/2017/02/09/3
- http://www.securityfocus.com/bid/96182
- http://www.ubuntu.com/usn/USN-3195-1
- https://bugs.launchpad.net/nova-lxd/+bug/1656847
- https://github.com/openstack/nova-lxd/commit/1b76cefb92081efa1e88cd8f330253f857028bd2
- http://www.openwall.com/lists/oss-security/2017/02/09/3
- http://www.securityfocus.com/bid/96182
- http://www.ubuntu.com/usn/USN-3195-1
- https://bugs.launchpad.net/nova-lxd/+bug/1656847
- https://github.com/openstack/nova-lxd/commit/1b76cefb92081efa1e88cd8f330253f857028bd2