Viber up to 13.2.0.39 on Windows NTLM Authentication Credentials unquoted search path

Summaryinfo

A vulnerability, which was classified as problematic, was found in Viber up to 13.2.0.39 on Windows. This affects an unknown function of the component NTLM Authentication Handler. The manipulation results in unquoted search path (Credentials). This vulnerability is known as CVE-2020-14049. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in Viber up to 13.2.0.39 on Windows. It has been classified as problematic. Affected is some unknown functionality of the component NTLM Authentication Handler. The manipulation with an unknown input leads to a unquoted search path vulnerability (Credentials). CWE is classifying the issue as CWE-428. The product uses a search path that contains an unquoted element, in which the element contains whitespace or other separators. This can cause the product to access resources in a parent path. This is going to have an impact on confidentiality. CVE summarizes:

Viber for Windows up to 13.2.0.39 does not properly quote its custom URI handler. A malicious website could launch Viber with arbitrary parameters, forcing a victim to send an NTLM authentication request, and either relay the request or capture the hash for offline password cracking. NOTE: this issue exists because of an incomplete fix for CVE-2019-12569.

The weakness was published 06/22/2020. This vulnerability is traded as CVE-2020-14049 since 06/12/2020. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1574.009 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Name

• Viber

Version

• 13.2.0.0
• 13.2.0.1
• 13.2.0.2
• 13.2.0.3
• 13.2.0.4
• 13.2.0.5
• 13.2.0.6
• 13.2.0.7
• 13.2.0.8
• 13.2.0.9
• 13.2.0.10
• 13.2.0.11
• 13.2.0.12
• 13.2.0.13
• 13.2.0.14
• 13.2.0.15
• 13.2.0.16
• 13.2.0.17
• 13.2.0.18
• 13.2.0.19
• 13.2.0.20
• 13.2.0.21
• 13.2.0.22
• 13.2.0.23
• 13.2.0.24
• 13.2.0.25
• 13.2.0.26
• 13.2.0.27
• 13.2.0.28
• 13.2.0.29
• 13.2.0.30
• 13.2.0.31
• 13.2.0.32
• 13.2.0.33
• 13.2.0.34
• 13.2.0.35
• 13.2.0.36
• 13.2.0.37
• 13.2.0.38
• 13.2.0.39

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