Vulnerability identifier: #VU17318

Vulnerability risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-16889

CWE-ID: CWE-401

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 obtain potentially sensitive information on the target system.

The vulnerability exists due memory leak in improper sanitization of encryption keys in debug logging output for v4 authentication. A local attacker can trigger memory leak and gain access to plaintext encryption key information in log files.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Ceph: 10.2.7 - 13.2.4

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External links
http://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16889
http://tracker.ceph.com/issues/37847

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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.