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Vulnerability Details : CVE-2021-20288

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.
Publish Date : 2021-04-15 Last Update Date : 2021-06-03
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- CVSS Scores & Vulnerability Types

CVSS Score
6.5
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication ???
Gained Access None
Vulnerability Type(s)
CWE ID 287

- Products Affected By CVE-2021-20288

# Product Type Vendor Product Version Update Edition Language
1 OS Fedoraproject Fedora 32 * * * Version Details Vulnerabilities
2 OS Fedoraproject Fedora 33 * * * Version Details Vulnerabilities
3 OS Fedoraproject Fedora 34 * * * Version Details Vulnerabilities
4 Application Linuxfoundation Ceph * * * * Version Details Vulnerabilities
5 Application Redhat Ceph Storage 4.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Fedoraproject Fedora 3
Linuxfoundation Ceph 1
Redhat Ceph Storage 1

- References For CVE-2021-20288

https://security.gentoo.org/glsa/202105-39
GENTOO GLSA-202105-39
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JVWUKUUS5BCIFWRV3JCUQMAPJ4HIWSED/
FEDORA FEDORA-2021-168fbed46f
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5BPIAYTRCWAU4XWCDBK2THEFVXSC4XGK/
FEDORA FEDORA-2021-e65b9fb52e
https://bugzilla.redhat.com/show_bug.cgi?id=1938031
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/362CEPPYF3YMJZBEJQUT3KDE2EHYYIYQ/
FEDORA FEDORA-2021-e29c1ee892

- Metasploit Modules Related To CVE-2021-20288

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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