Multiple vulnerabilities in Citrix NetScaler ADC and NetScaler Gateway



Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2024-8534
CVE-2024-8535
CWE-ID CWE-119
CWE-284
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Citrix NetScaler Gateway
Server applications / Application servers

Citrix Netscaler ADC
Client/Desktop applications / Software for system administration

Vendor Citrix

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU100414

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 - Memory corruption

Exploit availability: No

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

CPE2.3 External links

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


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.

2) Improper access control

EUVDB-ID: #VU100415

Risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-8535

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote user can bypass implemented security restrictions and gain unauthorized access to the application.

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

CPE2.3 External links

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


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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



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