Denial of service in BIG-IP Next SPK/CNF Python http.cookies module

1) Resource exhaustion

EUVDB-ID: #VU96945

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-2024-7592

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 within the 'http.cookies' standard library module when parsing cookies that contained backslashes for quoted characters in the cookie value. 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 Next SPK: 1.7.0 - 1.9.2

BIG-IP Next CNF: 1.1.0 - 1.3.1

CPE2.3

• cpe:2.3:o:f5_networks:big-ip_next_spk:1.7.0:*:*:*:*:*:*:*
• cpe:2.3:o:f5_networks:big-ip_next_spk:1.7.1:*:*:*:*:*:*:*
• cpe:2.3:o:f5_networks:big-ip_next_spk:1.8.0:*:*:*:*:*:*:*
• cpe:2.3:o:f5_networks:big-ip_next_cnf:1.1.0:*:*:*:*:*:*:*
• cpe:2.3:o:f5_networks:big-ip_next_cnf:1.1.1:*:*:*:*:*:*:*
• cpe:2.3:o:f5_networks:big-ip_next_cnf:1.2.0:*:*:*:*:*:*:*

External links

https://my.f5.com/manage/s/article/K000148969

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?

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