SB2023032950 - SUSE update for ldb, samba

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2022-32746)

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

The vulnerability exists due to a use-after-free error when handling LDAP requests. A remote user with ability to edit privileged properties, such as userAccountControl, can send a specially crafted LDAP request to the server, trigger a use-after-free error and perform a denial of service (DoS) attack.

2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2023-0225)

The vulnerability allows a remote user to delete certain attributes.

The vulnerability exists due to improper access restrictions. A remote unprivileged user can delete the "dnsHostname" attribute.

3) Improper access control (CVE-ID: CVE-2023-0614)

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

The vulnerability exists due to insufficient patch for vulnerability #VU14335 (CVE-2018-10919). A remote user can bypass implemented security restrictions and gain access to sensitive information.

4) Cleartext transmission of sensitive information (CVE-ID: CVE-2023-0922)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to samba-tool transmits credentials to the LDAP server in clear text. A remote attacker with ability to intercept network traffic can gain access to sensitive data.

Remediation

Install update from vendor's website.

References

• https://www.suse.com/support/update/announcement/2023/suse-su-20231687-1/