MRCMS up to 3.1.2 WebParam.java getChannel FIELD_T sql injection

Summaryinfo

A vulnerability, which was classified as critical, has been found in MRCMS up to 3.1.2. The impacted element is the function getChannel of the file WebParam.java. This manipulation of the argument FIELD_T as part of Parameter causes sql injection. This vulnerability is registered as CVE-2018-17796. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability classified as critical was found in MRCMS up to 3.1.2. Affected by this vulnerability is the function getChannel of the file WebParam.java. The manipulation of the argument FIELD_T 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:

An issue was discovered in MRCMS (aka mushroom) through 3.1.2. The WebParam.java file directly accepts the FIELD_T parameter in a request and uses it as a hash of SQL statements without filtering, resulting in a SQL injection vulnerability in getChannel() in the ChannelService.java file.

The bug was discovered 09/21/2018. The weakness was published 09/30/2018 (Website). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2018-17796 since 09/30/2018. The exploitation appears to be easy. 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 9 days. During that time the estimated underground price was around $0-$5k.

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

• MRCMS

Version

• 3.1.0
• 3.1.1
• 3.1.2

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