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CVE-2021-20288

Status Candidate

Overview

An authentication flaw was found in ceph in versions before 14.2.20. When the monitor handles CEPHX_GET_AUTH_SESSION_KEY requests, it doesn't sanitize other_keys, allowing key reuse. An attacker who can request a global_id can exploit the ability of any user to request a global_id previously associated with another user, as ceph does not force the reuse of old keys to generate new ones. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Related Files

Red Hat Security Advisory 2022-1394-01
Posted Apr 20, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-1394-01 - Red Hat Ceph Storage is a scalable, open, software-defined storage platform that combines the most stable version of the Ceph storage system with a Ceph management platform, deployment utilities, and support services.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-20288
SHA-256 | 5a262f5f2d3cfe9e08aa4ba53c72d6dd3f2eb2dcd7781f1c980412ff9059f134
Ubuntu Security Notice USN-5128-1
Posted Nov 2, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5128-1 - Goutham Pacha Ravi, Jahson Babel, and John Garbutt discovered that user credentials in Ceph could be manipulated in certain environments. An attacker could use this to gain unintended access to resources. This issue only affected Ubuntu 18.04 LTS. It was discovered that Ceph contained an authentication flaw, leading to key reuse. An attacker could use this to cause a denial of service or possibly impersonate another user. This issue only affected Ubuntu 21.04. Various other issues were also addressed.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2020-27781, CVE-2021-20288, CVE-2021-3509, CVE-2021-3524, CVE-2021-3531
SHA-256 | 27bb8e3234a0eb6c20785c85e3b051d5fba1fadbce8594e9f21d51168b84a3bf
Ubuntu Security Notice USN-4998-1
Posted Jun 25, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4998-1 - It was discovered that in some situations Ceph logged passwords from the mgr module in clear text. An attacker could use this to expose sensitive information. Goutham Pacha Ravi, Jahson Babel, and John Garbutt discovered that user credentials in Ceph could be manipulated in certain environments. An attacker could use this to gain unintended access. It was discovered that the Ceph dashboard was susceptible to a cross-site scripting attack. An attacker could use this to expose sensitive information or gain unintended access. Various other issues were also addressed.

tags | advisory, xss
systems | linux, ubuntu
advisories | CVE-2020-25678, CVE-2020-27781, CVE-2020-27839, CVE-2021-20288, CVE-2021-3509, CVE-2021-3524, CVE-2021-3531
SHA-256 | a3d9656a49f07ccf660b9f6006ed598b81e2aa94c36575e1f2fa281abef63f27
Red Hat Security Advisory 2021-2445-01
Posted Jun 16, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2445-01 - Red Hat Ceph Storage is a scalable, open, software-defined storage platform that combines the most stable version of the Ceph storage system with a Ceph management platform, deployment utilities, and support services. The ceph-ansible package provides Ansible playbooks for installing, maintaining, and upgrading Red Hat Ceph Storage. The tcmu-runner packages provide a service that handles the complexity of the LIO kernel target's userspace passthrough interface. It presents a C plugin API for extension modules that handle SCSI requests in ways not possible or suitable to be handled by LIO's in-kernel backstores. Issues addressed include cross site scripting and remote shell upload vulnerabilities.

tags | advisory, remote, shell, kernel, vulnerability, xss
systems | linux, redhat
advisories | CVE-2020-27839, CVE-2021-20288, CVE-2021-3509
SHA-256 | b944d21677adab4a42bb29e5030fec2a583b08572330e722f28865b9d40580c2
Gentoo Linux Security Advisory 202105-39
Posted May 27, 2021
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202105-39 - Multiple vulnerabilities have been found in Ceph, the worst of which could result in privilege escalation. Versions less than 14.2.21 are affected.

tags | advisory, vulnerability
systems | linux, gentoo
advisories | CVE-2020-10753, CVE-2020-1759, CVE-2020-1760, CVE-2020-25660, CVE-2020-25678, CVE-2020-27781, CVE-2021-20288
SHA-256 | 7ab3522f846f6a648172b2520a0ceaea2ea557ede4081b724f6d25d68464c1a9
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