Vulnerability identifier: #VU72761

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-28342

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Zoho ManageEngine ADSelfService Plus
Client/Desktop applications / Software for system administration

Vendor: Zoho Corporation

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input  within the DomainUserSSPLogonAuth method in the ADSelfService Plus Mobile App Authentication API. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Zoho ManageEngine ADSelfService Plus: 6200 - 6217

---

External links
http://www.manageengine.com/products/self-service-password/release-notes.html#6218
http://www.zerodayinitiative.com/advisories/ZDI-23-437/

---

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.