#VU77479 Information disclosure in Red Hat Directory Server - CVE-2023-1055

Vulnerability identifier: #VU77479

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-1055

CWE-ID: CWE-200

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Red Hat Directory Server
Server applications / Directory software, identity management

Vendor: Red Hat Inc.

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to LDAP browser tries to decode userPassword instead of userCertificate attribute. The decoded hashed password is later shown in the process list as an argument. A local user can obtain the hashed password from the process list.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Red Hat Directory Server: 11.5 - 12.1

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External links
https://bugzilla.redhat.com/show_bug.cgi?id=2173517

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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