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F5 Networks BIG-IP : BIG-IP ASM XSS vulnerability (K14812883)

medium Nessus Plugin ID 123030

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Synopsis

The remote device is missing a vendor-supplied security patch.

Description

This is a stored cross-site scripting (XSS) vulnerability in an ASM violation viewed in the Configuration utility. In the worst case, an attacker can store a CSRF, which results in code execution as the admin user. (CVE-2019-6607)

The user levels that can store this attack are ASM Administrator, Resource Administrator, and Administrator. The ASM Administrator cannot access the Advanced Shell, but can use this flaw to store an attack that will execute shell commands when an admin with Advanced Shell access browses to the particular BIG-IP ASM Configuration utility page hosting the exploit code. While the stored CSRF is possible in non-appliance and appliance mode systems, the execution of shell commands is not possible if the system is configured in appliance mode because there is no shell available.

Impact

An attacker can inject a malicious script into the BIG-IP ASM Configuration utility. Additionally, an attacker can trick a BIG-IP ASM Configuration utility user into executing malicious code.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K14812883.

See Also

https://my.f5.com/manage/s/article/K14812883

Plugin Details

Severity: Medium

ID: 123030

File Name: f5_bigip_SOL14812883.nasl

Version: 1.6

Type: local

Published: 3/25/2019

Updated: 11/2/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6

Temporal Score: 4.4

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

CVSS Score Source: CVE-2019-6607

CVSS v3

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

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

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

Vulnerability Information

CPE: cpe:/a:f5:big-ip_application_security_manager, cpe:/h:f5:big-ip

Required KB Items: Host/local_checks_enabled, Host/BIG-IP/hotfix, Host/BIG-IP/modules, Host/BIG-IP/version

Exploit Ease: No known exploits are available

Patch Publication Date: 3/21/2019

Vulnerability Publication Date: 3/28/2019

Reference Information

CVE: CVE-2019-6607