Mahara up to 15.04.7/15.10.3/16.04.1 XML File unserialize code injection

Summaryinfo

A vulnerability labeled as critical has been found in Mahara up to 15.04.7/15.10.3/16.04.1. This vulnerability affects the function unserialize of the component XML File Handler. Such manipulation leads to code injection. This vulnerability is uniquely identified as CVE-2017-1000148. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Mahara up to 15.04.7/15.10.3/16.04.1 (Content Management System) and classified as critical. Affected by this issue is the function unserialize of the component XML File Handler. 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:

Mahara 15.04 before 15.04.8 and 15.10 before 15.10.4 and 16.04 before 16.04.2 are vulnerable to PHP code execution as Mahara would pass portions of the XML through the PHP "unserialize()" function when importing a skin from an XML file.

The bug was discovered 10/21/2016. The weakness was disclosed 11/03/2017 (Website). The advisory is shared for download at bugs.launchpad.net. This vulnerability is handled as CVE-2017-1000148 since 11/02/2017. The exploitation is known to be easy. The attack may be launched remotely. A simple authentication is necessary for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.

The vulnerability was handled as a non-public zero-day exploit for at least 378 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 15.04.8, 15.10.4 or 16.04.2 eliminates this vulnerability.

The entries VDB-109116, VDB-109115, VDB-109114 and VDB-109113 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Content Management System

Name

• Mahara

Version

• 15.04.0
• 15.04.1
• 15.04.2
• 15.04.3
• 15.04.4
• 15.04.5
• 15.04.6
• 15.04.7
• 15.10.0
• 15.10.1
• 15.10.2
• 15.10.3
• 16.04.0
• 16.04.1

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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