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 (formerly NetScaler ADM)
Other software / Other software solutions

NetScaler SDX (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 (formerly NetScaler ADM): 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 (formerly NetScaler ADM): before 13.0-92.31

NetScaler SDX (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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