Cisco AnyConnect Secure Mobility Client for Windows DLL Hijacking

high Nessus Plugin ID 161699

Synopsis

The remote device is missing a vendor-supplied security patch

Description

According to its self-reported version, Cisco AnyConnect Secure Mobility Client is affected a vulnerability in the interprocess communication (IPC) channel of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to perform a DLL hijacking attack. To exploit this vulnerability, the attacker would need to have valid credentials on the Windows system. (CVE-2020-3433)

Please see the included Cisco BID and Cisco Security Advisory for more information.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvu14943

See Also

http://www.nessus.org/u?88c8089d

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu14943

Plugin Details

Severity: High

ID: 161699

File Name: cisco-sa-anyconnect-dll.nasl

Version: 1.10

Type: local

Agent: windows

Family: Windows

Published: 5/31/2022

Updated: 11/14/2022

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.0

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

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

CVSS Score Source: CVE-2020-3433

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.5

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

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

Vulnerability Information

CPE: cpe:/a:cisco:anyconnect_secure_mobility_client

Required KB Items: installed_sw/Cisco AnyConnect Secure Mobility Client, SMB/Registry/Enumerated

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/5/2020

Vulnerability Publication Date: 8/5/2020

CISA Known Exploited Vulnerability Due Dates: 11/14/2022

Exploitable With

Metasploit (Cisco AnyConnect Privilege Escalations (CVE-2020-3153 and CVE-2020-3433))

Reference Information

CVE: CVE-2020-3433

CWE: 427

CISCO-SA: cisco-sa-anyconnect-dll-F26WwJW

IAVA: 2020-A-0351-S

CISCO-BUG-ID: CSCvu14943