Information disclosure in MongoDB

1) Information disclosure

EUVDB-ID: #VU31452

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2016-6494

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a local authenticated user to gain access to sensitive information.

The client in MongoDB uses world-readable permissions on .dbshell history files, which might allow local users to obtain sensitive information by reading these files.

Mitigation

Install update from vendor's website.

Vulnerable software versions

MongoDB: 3.3.0 - 3.3.13

CPE2.3

• cpe:2.3:a:mongodb:mongodb:3.3.0:*:*:*:*:*:*:*
• cpe:2.3:a:mongodb:mongodb:3.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:mongodb:mongodb:3.3.2:*:*:*:*:*:*:*

External links

https://www.openwall.com/lists/oss-security/2016/07/29/4
https://www.openwall.com/lists/oss-security/2016/07/29/8
https://www.securityfocus.com/bid/92204
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=832908
https://bugzilla.redhat.com/show_bug.cgi?id=1362553
https://github.com/mongodb/mongo/commit/035cf2afc04988b22cb67f4ebfd77e9b344cb6e0
https://jira.mongodb.org/browse/SERVER-25335
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5MCE2ZLFBNOK3TTWSTXZJQGZVP4EEJDL/

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.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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