Vulnerability identifier: #VU15917

Vulnerability risk: Low

CVSSv3.1: 3 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C]

CVE-ID: CVE-2017-7519

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Ceph
Server applications / Other server solutions

Vendor: Red Hat Inc.

Description

The vulnerability allows a local attacker to cause DoS condition.

The vulnerability exists due to a format string error when the libradosstriper library parses user-supplied inpuе. A local attacker can submit malicious input and cause an application or service using the affected library to crash. 

Mitigation
Install update from vendor's website.

Vulnerable software versions

Ceph: All versions

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External links
http://tracker.ceph.com/issues/20240

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.