Hertzbleed vulnerability in F5 BIG-IQ Centralized Management on AMD processors



Risk Medium
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2022-23823
CWE-ID CWE-203
Exploitation vector Network
Public exploit N/A
Vulnerable software
 BIG-IQ Centralized Management
Server applications / Remote management servers, RDP, SSH

Vendor F5 Networks

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Observable discrepancy

EUVDB-ID: #VU64396

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-23823

CWE-ID: CWE-203 - Observable discrepancy

Exploit availability: No

Description

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

The vulnerability exists due to observable discrepancy. A remote authenticated attacker can perform  timing attack to gain access to sensitive information.

The vulnerability is dubbed Hertzbleed.

Mitigation

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

Vulnerable software versions

BIG-IQ Centralized Management: 7.0.0 - 8.3.0

CPE2.3 External links

https://my.f5.com/manage/s/article/K43357358


Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



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