Traffic decryption in IBM FlashSystem models 840 and 900

1) Traffic decryption

EUVDB-ID: #VU639

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L/E:P/RL:O/RC:C]

CVE-ID: CVE-2016-2107

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: Yes

Description

The vulnerability allows a remote user to decrypt traffic on the target system.

The weakness is due to access control error.If the connection uses an AES CBC cipher and the server support AES-NI attackers can perform padding oracle attack.

Successful exploitation of the vulnerability leads to traffic decryption on the vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

FlashSystem 840 9840-AE1 & 9843-AE1: All versions

FlashSystem 900 9840-AE2 and 9843-AE2: All versions

External links

http://www.ibm.com/support/pages/node/695795

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. However, proof of concept for this vulnerability is available.