DEWESoft X3 SP1_ on 64-bit Service Port 1999 RunExeFile.exe code injection

Summaryinfo

A vulnerability, which was classified as critical, was found in DEWESoft X3 SP1_ on 64-bit. Affected by this vulnerability is an unknown functionality of the file RunExeFile.exe of the component Service Port 1999. Such manipulation leads to code injection. This vulnerability is referenced as CVE-2018-7756. It is possible to launch the attack remotely. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in DEWESoft X3 SP1_ on 64-bit and classified as critical. Affected by this issue is some unknown functionality of the file RunExeFile.exe of the component Service Port 1999. The manipulation with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. CVE summarizes:

RunExeFile.exe in the installer for DEWESoft X3 SP1 (64-bit) devices does not require authentication for sessions on TCP port 1999, which allows remote attackers to execute arbitrary code or access internal commands, as demonstrated by a RUN command that launches a .EXE file located at an arbitrary external URL, or a "SETFIREWALL Off" command.

The bug was discovered 03/09/2018. The weakness was published 03/15/2018 (Website). The advisory is shared for download at hyp3rlinx.altervista.org. This vulnerability is handled as CVE-2018-7756 since 03/08/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1059.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 5 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.

The vulnerability is also documented in the vulnerability database at Exploit-DB (44275). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• DEWESoft

Name

• X3

Version

• SP1_

CPE 2.3info

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CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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