CVE-2017-5936

Description

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.

7.5

CVSS

Severity: High

CVSS 3.0 •

CVSS 2.0 •

EPSS 2.47% Top 20%

Vendor Advisory ubuntu.com

Affected: n/a n/a

References

Link	Tags
http://www.securityfocus.com/bid/96182	vdb entry third party advisory
https://bugs.launchpad.net/nova-lxd/+bug/1656847	issue tracking third party advisory patch
http://www.ubuntu.com/usn/USN-3195-1	third party advisory vendor advisory
https://github.com/openstack/nova-lxd/commit/1b76cefb92081efa1e88cd8f330253f857028bd2	issue tracking third party advisory patch
http://www.openwall.com/lists/oss-security/2017/02/09/3	mailing list third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2017-5936?: CVE-2017-5936 has been scored as a high severity vulnerability.
How to fix CVE-2017-5936?: To fix CVE-2017-5936, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-5936 being actively exploited in the wild?: It is possible that CVE-2017-5936 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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