Citrix ADC and Citrix Gateway RCE (CTX474995)

critical Nessus Plugin ID 168654

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Synopsis

The remote device may be affected by a remote code execution vulnerability.

Description

The remote Citrix ADC or Citrix Gateway device is version 12.1 before 12.1-65.25 or 13.0 before 13.0-58.32. It is therefore affected by an unauthentictaed remote code execution vulnerability:

- A vulnerability has been discovered in Citrix ADC (formerly known as NetScaler ADC) and Citrix Gateway (formerly known as NetScaler Gateway). Unauthenticated remote arbitrary code execution exists if either Citrix ADC or Citrix Gateway are configured as a SAML SP or a SAML IdP (CVE-2022-27518)

Please refer to advisory CTX474995 for more information.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to version 12.1-65.25, 13.0-58.32 or later.

See Also

http://www.nessus.org/u?eddc75c1

Plugin Details

Severity: Critical

ID: 168654

File Name: citrix_adc_gateway_CTX474995.nasl

Version: 1.6

Type: combined

Family: CGI abuses

Published: 12/13/2022

Updated: 12/16/2022

Risk Information

VPR

Risk Factor: Critical

Score: 9.4

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C

Temporal Vector: E:H/RL:OF/RC:C

CVSS Score Source: CVE-2022-27518

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: E:H/RL:O/RC:C

Vulnerability Information

CPE: cpe:/h:citrix:netscaler_gateway, cpe:/h:citrix:netscaler_application_delivery_controller

Required KB Items: Host/NetScaler/Detected

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/13/2022

Vulnerability Publication Date: 12/13/2022

CISA Known Exploited Dates: 1/3/2023

Reference Information

CVE: CVE-2022-27518

CEA-ID: CEA-2022-0039

IAVA: 2022-A-0520