Multiple vulnerabilities in IBM i

Published: 2024-10-07

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2016-2183 CVE-2016-6329
CWE-ID	CWE-327 CWE-284
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #1 is available.
Vulnerable software Subscribe	IBM i Operating systems & Components / Operating system
Vendor	IBM Corporation

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Information disclosure

EUVDB-ID: #VU370

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2016-2183

CWE-ID: CWE-327 - Use of a Broken or Risky Cryptographic Algorithm

Exploit availability: No

Description

The vulnerability allows a remote attacker to decrypt transmitted data.

The vulnerability exists due to remote user's ability to control the network and capture long duration 3DES CBC mode encrypted session during which he can see a part of the text. In case of repeated sending the attacker can read the part and reconstruct the whole text.

Successful exploitation of this vulnerability may allow a remote attacker to decode transmitted data. This vulnerability is known as SWEET32.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM i: 6.1 - 7.3

CPE2.3

External links

http://www.ibm.com/support/pages/node/667629

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.

2) Access control error

EUVDB-ID: #VU380

Risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-6329

CWE-ID: CWE-284 - Improper Access Control