Cisco Webex Meetings Desktop App for Windows Shared Memory Information Disclosure (cisco-sa-webex-client-NBmqM9vt)

medium Nessus Plugin ID 138015

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Synopsis

The remote videoconferencing software is missing a vendor-supplied security patch

Description

According to its self-reported version, Cisco Webex Meetings Desktop App for Windows is affected by an information disclosure vulnerability due to unsafe usage of shared memory. An authenticated, local attacker can exploit this, by running an application on the local system tha tis designed to read shared memory, in order to retrieve sensitive information from the shared memory, including usernames, meeting information, or authentication tokens that could aid the attacker in future attacks

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

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvt99384

Plugin Details

Severity: Medium

ID: 138015

File Name: cisco-sa-webex-client-NBmqM9vt.nasl

Version: 1.3

Type: local

Agent: windows

Family: Windows

Published: 7/1/2020

Updated: 6/29/2021

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2020-3347

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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

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

Vulnerability Information

CPE: cpe:/a:cisco:webex_meetings

Required KB Items: installed_sw/Cisco Webex Meetings

Exploit Ease: No known exploits are available

Patch Publication Date: 6/17/2020

Vulnerability Publication Date: 6/17/2020

Reference Information

CVE: CVE-2020-3347

CISCO-SA: cisco-sa-webex-client-NBmqM9vt

IAVA: 2020-A-0273

CISCO-BUG-ID: CSCvt99384

Detections

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