#VU17716 Security restrictions bypass in OpenAM - CVE-2018-0696

Vulnerability identifier: #VU17716

Vulnerability risk: Medium

CVSSv4.0: 5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-0696

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
OpenAM
Server applications / Remote management servers, RDP, SSH

Vendor: OpenAM Consortium

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

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

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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