Vulnerability Monitor

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CVE-2017-18191

An issue was discovered in OpenStack Nova 15.x through 15.1.0 and 16.x through 16.1.1. By detaching and reattaching an encrypted volume, an attacker may access the underlying raw volume and corrupt the LUKS header, resulting in a denial of service attack on the compute host. (The same code error also results in data loss, but that is not a vulnerability because the user loses their own data.) All Nova setups supporting encrypted volumes are affected.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 2 products from openstack, from redhat organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2018, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2018-02-19T17:29:00.203

Last Modified

2024-11-21T03:19:31.433

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

6.9

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	openstack	nova	≤ 15.1.0	Yes
Application	openstack	nova	≤ 16.1.1	Yes
Application	redhat	openstack	9	Yes
Application	redhat	openstack	10	Yes
Application	redhat	openstack	12	Yes

References

http://openwall.com/lists/oss-security/2018/04/20/3 Mailing List, Patch, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/103104 Third Party Advisory, VDB Entry ([email protected])
https://access.redhat.com/errata/RHSA-2018:2332 Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2018:2714 Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2018:2855 Third Party Advisory ([email protected])
https://launchpad.net/bugs/1739593 Exploit, Issue Tracking, Third Party Advisory ([email protected])
https://review.openstack.org/539893 Exploit, Patch, Third Party Advisory ([email protected])
https://security.openstack.org/ossa/OSSA-2018-001.html Patch, Vendor Advisory ([email protected])
http://openwall.com/lists/oss-security/2018/04/20/3 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/103104 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2018:2332 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2018:2714 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2018:2855 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://launchpad.net/bugs/1739593 Exploit, Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://review.openstack.org/539893 Exploit, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.openstack.org/ossa/OSSA-2018-001.html Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For openstack's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.