Citrix ADC and Citrix NetScaler Gateway buffer overflow vulnerability (CTX249976)

high Nessus Plugin ID 125258

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Synopsis

The remote device is affected by a buffer overflow vulnerability.

Description

The remote Citrix ADC or Citrix NetScaler Gateway device is affected by a buffer overflow vulnerability.
An attacker may be able to leverage this vulnerability which will result in a denial of service in a specific configuration.
Please refer to advisory CTX249976 for more information.

Solution

Upgrade to Citrix NetScaler Gateway version 11.1 build 59.10 / 12.0 build 59.8 / 12.1 build 49.23 or refer to vendor documentation for configuration mitigation.

Plugin Details

Severity: High

ID: 125258

File Name: citrix_netscaler_CTX249976.nasl

Version: 1.2

Type: combined

Family: CGI abuses

Published: 5/17/2019

Updated: 10/30/2019

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2019-12044

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:citrix:netscaler_access_gateway_firmware

Required KB Items: Settings/ParanoidReport, Host/NetScaler/Detected

Exploit Ease: No known exploits are available

Patch Publication Date: 5/13/2019

Vulnerability Publication Date: 5/13/2019

Reference Information

CVE: CVE-2019-12044

Detections

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