Schneider Electric U.motion Builder up to 1.3.3 nfcserver.php sessionid sql injection

Summaryinfo

A vulnerability was found in Schneider Electric U.motion Builder up to 1.3.3. It has been rated as critical. Affected is an unknown function of the file nfcserver.php. This manipulation of the argument sessionid as part of Parameter causes sql injection. This vulnerability is registered as CVE-2018-7773. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in Schneider Electric U.motion Builder up to 1.3.3 (Automation Software). Affected by this vulnerability is an unknown function of the file nfcserver.php. The manipulation of the argument sessionid as part of a Parameter leads to a sql injection vulnerability. The CWE definition for the vulnerability is CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The vulnerability exists within processing of nfcserver.php in Schneider Electric U.motion Builder software versions prior to v1.3.4. The underlying SQLite database query is subject to SQL injection on the sessionid input parameter.

The bug was discovered 04/19/2018. The weakness was published 07/03/2018 (Website). It is possible to read the advisory at schneider-electric.com. This vulnerability is known as CVE-2018-7773 since 03/08/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1505 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 75 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:nfcserver.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 1.3.4 eliminates this vulnerability.

Similar entries are available at VDB-120298, VDB-120285, VDB-120286 and VDB-120287. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Automation Software

Vendor

• Schneider Electric

Name

• U.motion Builder

Version

• 1.3.0
• 1.3.1
• 1.3.2
• 1.3.3

License

• commercial

Website

• Vendor: https://www.schneider-electric.com/

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