Security restrictions bypass in Ceph



Published: 2020-05-21
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-10736
CWE-ID CWE-285
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Ceph
Server applications / Other server solutions

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper Authorization

EUVDB-ID: #VU28173

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-10736

CWE-ID: CWE-285 - Improper Authorization

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to improper authorization, related to mons & mgrs. A remote attacker can pass specially crafted data to the application and bypass implemented security restrictions.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Ceph: 15.0.0 - 15.2.1

External links

http://ceph.io/releases/v15-2-2-octopus-released/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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