SB2024022775 - SUSE update for samba
Published: February 27, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 6 secuirty vulnerabilities.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-25720)
The vulnerability allows a local user to escalate privileges within the network.
The vulnerability exists due to create child permissions allows full write access to all attributes. A local user can escalate privileges within the network.
2) 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.
3) Security features bypass (CVE-ID: CVE-2023-3347)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to SMB2 packet signing feature is not enforced if the server is configured with the "server signing = required" option or for SMB2 connections to Domain Controllers where SMB2 packet signing is mandatory. A remote attacker can intercept and manipulate data.
4) 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".
5) 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.
6) 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.