Speculative race condition in BIG-IP Next Central Manager

Published: 2024-08-01 | Updated: 2024-09-13

Risk	High
Patch available	NO
Number of vulnerabilities	3
CVE-ID	CVE-2024-26602 CVE-2024-2193 CVE-2023-46747
CWE-ID	CWE-400 CWE-362 CWE-288
Exploitation vector	Network
Public exploit	Vulnerability #3 is being exploited in the wild.
Vulnerable software Subscribe	BIG-IP Next Central Manager Web applications / Remote management & hosting panels
Vendor	F5 Networks

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Resource exhaustion

EUVDB-ID: #VU87499

Risk: Low

CVSSv3.1: 5.1 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2024-26602

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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

The vulnerability exists due to improper resource management in kernel/sched/membarrier.c. A local user can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

BIG-IP Next Central Manager: 20.0.1 - 20.2.0

CPE2.3

External links

http://my.f5.com/manage/s/article/K000140297

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.

Is there known malware, which exploits this vulnerability?

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

2) Race condition

EUVDB-ID: #VU87374

Risk: Low

CVSSv3.1: 8.1 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2024-2193

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

Exploit availability: No

Description

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

The vulnerability exists due to a speculative race condition. A local user can exploit the race and gain unauthorized access to contents of arbitrary host memory, including memory assigned to other guests.

The vulnerability was dubbed GhostRace.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

BIG-IP Next Central Manager: 20.0.1 - 20.2.0

CPE2.3

External links

http://my.f5.com/manage/s/article/K000140297
http://my.f5.com/manage/s/article/K000139682

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.

Is there known malware, which exploits this vulnerability?

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

3) Authentication bypass using an alternate path or channel

EUVDB-ID: #VU82544

Risk: High

CVSSv3.1: 9.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:U/RC:C]

CVE-ID: CVE-2023-46747

CWE-ID: CWE-288 - Authentication Bypass Using an Alternate Path or Channel

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to improper authentication in the Configuration utility. A remote non-authenticated attacker can send a specially crafted requests to the system, bypass authentication and execute arbitrary commands on the device.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

BIG-IP Next Central Manager: 20.0.1 - 20.2.0

CPE2.3

External links

http://my.f5.com/manage/s/article/K000140297

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.