#VU100414 Buffer overflow in Citrix NetScaler Gateway and Citrix Netscaler ADC - CVE-2024-8534

Vulnerability identifier: #VU100414

Vulnerability 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-2024-8534

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Citrix NetScaler Gateway
Server applications / Application servers
Citrix Netscaler ADC
Client/Desktop applications / Software for system administration

Vendor: Citrix

Description

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

The vulnerability exists due to a boundary error. A remote attacker can send specially crafted packets to the system, trigger memory corruption and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Citrix NetScaler Gateway: 12.0 - 14.1-34.42

Citrix Netscaler ADC: 12.0 41.16 - 14.1-34.42

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External links
https://support.citrix.com/article/CTX691608

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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.