OpenEMR up to 5.0.1.3 interface/fax/faxq.php hylafax_server os command injection

Summaryinfo

A vulnerability was found in OpenEMR up to 5.0.1.3. It has been rated as critical. Affected by this vulnerability is an unknown functionality of the file interface/fax/faxq.php. The manipulation of the argument hylafax_server as part of Variable leads to os command injection. This vulnerability is traded as CVE-2018-15156. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in OpenEMR up to 5.0.1.3 (Business Process Management Software). This issue affects an unknown function of the file interface/fax/faxq.php. The manipulation of the argument hylafax_server as part of a Variable leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

OS command injection occurring in versions of OpenEMR before 5.0.1.4 allows a remote authenticated attacker to execute arbitrary commands by making a crafted request to interface/fax/faxq.php after modifying the "hylafax_server" global variable in interface/super/edit_globals.php.

The bug was discovered 08/07/2018. The weakness was shared 08/15/2018 (GitHub Repository). The advisory is shared at github.com. The identification of this vulnerability is CVE-2018-15156 since 08/07/2018. The attack may be initiated remotely. The successful exploitation requires a simple authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1202 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 8 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:interface/fax/faxq.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 5.0.1.4 eliminates this vulnerability.

The entries VDB-122966, VDB-122967 and VDB-122968 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Business Process Management Software

Name

• OpenEMR

Version

• 5.0.1.0
• 5.0.1.1
• 5.0.1.2
• 5.0.1.3

License

• open-source

Website

• Product: https://github.com/openemr/openemr/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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