Authorization bypass in SSSD

Published: 2024-04-19

Risk	Medium
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2023-3758
CWE-ID	CWE-362
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	SSSD Web applications / Remote management & hosting panels
Vendor	SSSD

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Race condition

EUVDB-ID: #VU88857

Risk: Medium

CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-3758

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a remote user to escalate privileges on the system.

The vulnerability exists due to a race condition where the GPO policy is not consistently applied for authenticated users. A remote user can exploit the race and gain unauthorized access to the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SSSD: 2.0.0 - 2.9.4

External links

http://access.redhat.com/errata/RHSA-2024:1919
http://access.redhat.com/errata/RHSA-2024:1920
http://access.redhat.com/errata/RHSA-2024:1921
http://access.redhat.com/errata/RHSA-2024:1922
http://access.redhat.com/security/cve/CVE-2023-3758
http://bugzilla.redhat.com/show_bug.cgi?id=2223762
http://github.com/SSSD/sssd/pull/7302

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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