Information disclosure in IBM SAN Volume Controller and Storwize Family

1) Information disclosure

EUVDB-ID: #VU32409

Risk: Medium

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

CVE-ID: CVE-2015-3238

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to #BASIC_IMPACT#.

The _unix_run_helper_binary function in the pam_unix module in Linux-PAM (aka pam) before 1.2.1, when unable to directly access passwords, allows local users to enumerate usernames or cause a denial of service (hang) via a large password.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM SAN Volume Controller: before 7.6.0.3

IBM Storwize V3500: before 7.6.0.3

IBM Storwize V3700: before 7.6.0.3

IBM Storwize V5000: before 7.6.0.3

IBM Storwize V7000: before 7.6.0.3

External links

http://www.ibm.com/support/pages/node/690953

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.