#VU72492 LDAP injection in Apache Kerby - CVE-2023-25613

Vulnerability identifier: #VU72492

Vulnerability risk: High

CVSSv4.0: 8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-25613

CWE-ID: CWE-90

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apache Kerby
Server applications / Directory software, identity management

Vendor: Apache Foundation

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to improper input validation when processing DLAP queries in LdapIdentityBackend. A remote non-authenticated attacker can send a specially crafted LDAP query to the application, bypass authentication process and gain unauthorized access to the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache Kerby: 1.0.0 RC1 - 2.0.2

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External links
https://lists.apache.org/thread/ynz3hhbbq6d980fzpncwbh5jd8mkyt5y

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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.