Red Hat Directory Server 11.6 for RHEL 8 update for the redhat-ds:11 module

1) Information disclosure

EUVDB-ID: #VU77479

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 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

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: 11.6

CPE2.3

• cpe:2.3:a:red_hat:red_hat_directory_server:11.6:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHSA-2023:4655

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.

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.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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