#VU94075 Buffer overflow in Citrix Netscaler ADC and Citrix NetScaler Gateway - CVE-2024-5491

Vulnerability identifier: #VU94075

Vulnerability risk: Low

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

CVE-ID: CVE-2024-5491

CWE-ID: CWE-119

Exploitation vector: Local network

Exploit availability: No

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

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 on the local network can trigger memory corruption and cause a denial of service condition on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Citrix Netscaler ADC: before 12.1-55.304

Citrix NetScaler Gateway: before 13.0-92.31

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External links
https://support.citrix.com/article/CTX677944/netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20245491-and-cve20245492

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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 local network (LAN).

Is there known malware, which exploits this vulnerability?

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