Cisco Umbrella Roaming Client on Windows Installer data authenticity

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

A vulnerability was found in Cisco Umbrella Roaming Client on Windows (the affected version is unknown) and classified as critical. This issue affects an unknown code of the component Installer. The manipulation with an unknown input leads to a data authenticity vulnerability. Using CWE to declare the problem leads to CWE-345. The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability in the automatic update process of Cisco Umbrella Roaming Client for Windows could allow an authenticated, local attacker to install arbitrary, unapproved applications on a targeted device. The vulnerability is due to insufficient verification of the Windows Installer. An attacker could exploit this vulnerability by placing a file in a specific location in the Windows file system. A successful exploit could allow the attacker to bypass configured policy and install unapproved applications.

The weakness was presented 09/23/2020 as cisco-sa-20200122-umbrella-msi as confirmed advisory (Website). The advisory is shared at tools.cisco.com. The identification of this vulnerability is CVE-2019-16000 since 09/06/2019. An attack has to be approached locally. A simple authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.4
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Data authenticity
CWE: CWE-345
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

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Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/06/2019 🔍
09/23/2020 +383 days 🔍
09/23/2020 +0 days 🔍
09/23/2020 +0 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20200122-umbrella-msi
Status: Confirmed

CVE: CVE-2019-16000 (🔍)

Entryinfo

Created: 09/23/2020 10:56
Updated: 09/23/2020 11:01
Changes: 09/23/2020 10:56 (40), 09/23/2020 11:01 (11)
Complete: 🔍

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