Security restrictions bypass in OpenAM

1) Security restrictions bypass

EUVDB-ID: #VU17716

Risk: Medium

CVSSv3.1: 6.2 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-0696

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote authenticated attacker to bypass security restrictions.

The vulnerability exists due to due to improper session management. A remote attacker can modify security questions and then change existing users’ passwords that may allow to cause a denial of service (DoS) condition or conduct further attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

OpenAM: 13.0

External links

http://jvn.jp/en/jp/JVN49995005/index.html
http://www.cs.themistruct.com/report/wam20181012
http://www.osstech.co.jp/support/am2018-4-1-en

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

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.

Is there known malware, which exploits this vulnerability?

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