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CVE-2017-18191

Status Candidate

Overview

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.

Related Files

Ubuntu Security Notice USN-5866-1
Posted Feb 13, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5866-1 - It was discovered that Nova did not properly manage data logged into the log file. An attacker with read access to the service's logs could exploit this issue and may obtain sensitive information. This issue only affected Ubuntu 16.04 ESM and Ubuntu 18.04 LTS. It was discovered that Nova did not properly handle attaching and reattaching the encrypted volume. An attacker could possibly use this issue to perform a denial of service attack. This issue only affected Ubuntu 16.04 ESM.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2015-9543, CVE-2017-18191, CVE-2020-17376, CVE-2021-3654, CVE-2022-37394
SHA-256 | 33d65f15c5f1a8736cfde476dfd82ec6d391c911bd7a4660dc3f8c8b00f3416b
Red Hat Security Advisory 2018-2855-01
Posted Oct 2, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2855-01 - OpenStack Compute launches and schedules large networks of virtual machines, creating a redundant and scalable cloud computing platform. Compute provides the software, control panels, and APIs required to orchestrate a cloud, including running virtual machine instances and controlling access through users and projects. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2017-18191
SHA-256 | f93a630a998691f0f5b98271f411ae23d7ebe50dfcaf140dba5a6ec12bae35ab
Red Hat Security Advisory 2018-2714-01
Posted Sep 18, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2714-01 - OpenStack Compute launches and schedules large networks of virtual machines, creating a redundant and scalable cloud computing platform. Compute provides the software, control panels, and APIs required to orchestrate a cloud, including running virtual machine instances and controlling access through users and projects. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2017-18191
SHA-256 | 842f3cd94f5e21ca8717710a120b344f86bd97e45ba420c50f70113dde8d66b8
Red Hat Security Advisory 2018-2332-01
Posted Aug 20, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2332-01 - OpenStack Compute launches and schedules large networks of virtual machines, creating a redundant and scalable cloud computing platform. Compute provides the software, control panels, and APIs required to orchestrate a cloud, including running virtual machine instances and controlling access through users and projects. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2017-18191
SHA-256 | 7cd1938750576ad9b8f20f5122bedf994431991a2a9b29920d1ec4d115a1fd76
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