Denial of service in F5 BIG-IP iControl (libexpat)



Risk Medium
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2023-52425
CWE-ID CWE-400
Exploitation vector Network
Public exploit N/A
Vulnerable software
 BIG-IP DNS
Hardware solutions / Routers & switches, VoIP, GSM, etc

BIG-IP
Hardware solutions / Firmware

Vendor F5 Networks

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Resource exhaustion

EUVDB-ID: #VU86230

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-52425

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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

The vulnerability exists due to application does not properly control consumption of internal resources when parsing large tokens. A remote attacker 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 DNS: 15.0.0 - 17.1.1.4

BIG-IP: 15.0.0 - 17.1.1.4

CPE2.3 External links

https://my.f5.com/manage/s/article/K000139630


Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device 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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