Security restrictions bypass in Citrix NetScaler Gateway and Netscaler ADC

1) Security restrictions bypass

EUVDB-ID: #VU10831

Risk: Low

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-5314

CWE-ID: CWE-77 - Command injection

Exploit availability: No

Description

The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists due to command injection. A remote attacker can bypass authentication on the management interface and execute arbitrary read-only commands.

Mitigation

Update to Citrix NetScaler Gateway 12.0 Build 53.13, 11.1 Build 55.13, 11.0 Build 70.16, Citrix NetScaler ADC 12.0 Build 53.13, 11.1 Build 55.13, 11.0 Build 70.16 or Citrix NetScaler SD-WAN/CloudBridge 4000, 4100, 5000 and 5100 WAN Optimization Edition 9.3.1 or later.

Vulnerable software versions

Citrix NetScaler Gateway: 11.0.70.12 - 12.0.53.6

Citrix Netscaler ADC: 11.0 70.12 - 12.0 53.6

External links

http://support.citrix.com/article/CTX232199

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.