SB2024022763 - SUSE update for samba

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) Out-of-bounds read (CVE-ID: CVE-2022-2127)

The vulnerability allows a remote attacker to gain access to sensitive information or perform denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in winbindd_pam_auth_crap.c in winbind AUTH_CRAP when performing NTLM authentication. A remote attacker can trigger an out-of-bounds read error and gain access to sensitive information or crash the server.

2) Infinite loop (CVE-ID: CVE-2023-34966)

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

The vulnerability exists due to infinite loop when parsing Spotlight mdssvc RPC packets. A remote attacker can consume all available system resources and cause denial of service conditions on servers where Spotlight is explicitly enabled globally or on individual shares with "spotlight = yes".

3) Type Confusion (CVE-ID: CVE-2023-34967)

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

The vulnerability exists due to a type confusion error when parsing Spotlight mdssvc RPC packets. A remote attacker can send specially crafted data to the server, trigger a type confusion error and crash the server.

4) Information disclosure (CVE-ID: CVE-2023-34968)

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

The vulnerability exists due to excessive data output by the application. A remote attacker can send a specially crafted RPC request to the server and obtain real server-side share path.

Remediation

Install update from vendor's website.

References

• https://www.suse.com/support/update/announcement/2023/suse-su-20232930-1/