SAP TREX 7.10 Command fget/fdir code injection

Summaryinfo

A vulnerability classified as critical has been found in SAP TREX 7.10. The affected element is an unknown function of the component Command Handler. The manipulation of the argument fget/fdir leads to code injection. This vulnerability is referenced as CVE-2017-11459. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in SAP TREX 7.10 and classified as critical. This issue affects some unknown processing of the component Command Handler. The manipulation of the argument fget/fdir 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. The summary by CVE is:

SAP TREX 7.10 allows remote attackers to (1) read arbitrary files via an fget command or (2) write to arbitrary files and consequently execute arbitrary code via an fdir command, aka SAP Security Note 2419592.

The bug was discovered 04/11/2017. The weakness was published 07/25/2017 (Website). It is possible to read the advisory at erpscan.com. The identification of this vulnerability is CVE-2017-11459 since 07/19/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 11/01/2019). The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 105 days. During that time the estimated underground price was around $5k-$25k.

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

Vendor

• SAP

Name

• TREX

Version

• 7.10

License

• commercial

Website

• Vendor: https://www.sap.com/

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