Denial of service in Ceph

1) Resource management error

EUVDB-ID: #VU20465

Risk: Medium

CVSSv4.0: 2.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-10222

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to failure in the RADOS gateway implementation when handing client disconnects. A remote authenticated attacker can abuse this error and perform denial of service attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Ceph: 12.2.0 - 13.2.5

CPE2.3

• cpe:2.3:a:red_hat:ceph:12.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:red_hat:ceph:12.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:red_hat:ceph:12.2.2:*:*:*:*:*:*:*

External links

https://github.com/ceph/ceph/pull/29967
https://github.com/ceph/ceph/commit/6171399fdedd928b4249d135b4036e3de25079aa

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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