Multiple vulnerabilities in Citrix NetScaler Console, NetScaler SVM and NetScaler Agent



Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2024-6235
CVE-2024-6236
CWE-ID CWE-287
CWE-119
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 NetScaler Console
Other software / Other software solutions

NetScaler SVM
Other software / Other software solutions

NetScaler Agent
Other software / Other software solutions

Vendor Citrix

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper Authentication

EUVDB-ID: #VU94077

Risk: Medium

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

CVE-ID: CVE-2024-6235

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests. A remote attacker on the local network can bypass authentication process and gain unauthorized access to sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

NetScaler Console: before 14.1-25.53

CPE2.3 External links

https://support.citrix.com/article/CTX677998/netscaler-console-agent-and-svm-security-bulletin-for-cve20246235-and-cve20246236


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.

2) Buffer overflow

EUVDB-ID: #VU94078

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-2024-6236

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 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

NetScaler Console: before 13.0-92.31

NetScaler SVM: before 13.0-92.31

NetScaler Agent: before 13.0-92.31

CPE2.3 External links

https://support.citrix.com/article/CTX677998/netscaler-console-agent-and-svm-security-bulletin-for-cve20246235-and-cve20246236


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.



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