Siemens Siveillance Video Client NTLM Authentication cleartext transmission

Summaryinfo

A vulnerability was found in Siemens Siveillance Video Client. It has been declared as critical. This vulnerability affects unknown code of the component NTLM Authentication. The manipulation results in cleartext transmission. This vulnerability is identified as CVE-2020-15785. The attack can only be performed from the local network. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Siemens Siveillance Video Client (version now known). Affected is some unknown processing of the component NTLM Authentication. The manipulation with an unknown input leads to a cleartext transmission vulnerability. CWE is classifying the issue as CWE-319. The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors. This is going to have an impact on confidentiality. CVE summarizes:

A vulnerability has been identified in Siveillance Video Client (All versions). In environments where Windows NTLM authentication is enabled the affected client application transmits usernames to the server in cleartext. This could allow an attacker in a privileged network position to obtain valid adminstrator login names and use this information to launch further attacks.

The weakness was released 09/09/2020 (Website). The advisory is shared for download at cert-portal.siemens.com. This vulnerability is traded as CVE-2020-15785 since 07/15/2020. The exploitability is told to be difficult. Access to the local network is required for this attack to succeed. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/10/2020). The MITRE ATT&CK project declares the attack technique as T1040.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Siemens

Name

• Siveillance Video Client

License

• commercial

Website

• Vendor: https://www.siemens.com/

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