Apache Syncope up to 1.2.10/2.0.7 XSLT input validation

Summaryinfo

A vulnerability, which was classified as critical, was found in Apache Syncope up to 1.2.10/2.0.7. This impacts an unknown function of the component XSLT Handler. The manipulation results in input validation. This vulnerability is identified as CVE-2018-1321. The attack can be executed remotely. Additionally, an exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apache Syncope up to 1.2.10/2.0.7. Affected is some unknown functionality of the component XSLT Handler. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An administrator with report and template entitlements in Apache Syncope 1.2.x before 1.2.11 and 2.0.x before 2.0.8 can use XSL Transformations (XSLT) to perform malicious operations, including but not limited to file read, file write, and code execution.

The bug was discovered 12/07/2017. The weakness was released 03/20/2018 (Website). The advisory is shared for download at syncope.apache.org. This vulnerability is traded as CVE-2018-1321 since 12/07/2017. It is possible to launch the attack remotely. A authentication is required for exploitation. Technical details are unknown but a public exploit is available.

The exploit is shared for download 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 103 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 1.2.11 or 2.0.8 eliminates this vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (45400) and SecurityFocus (BID 103508†). Entry connected to this vulnerability is available at VDB-114817. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• Apache

Name

• Syncope

Version

• 1.2.0
• 1.2.1
• 1.2.2
• 1.2.3
• 1.2.4
• 1.2.5
• 1.2.6
• 1.2.7
• 1.2.8
• 1.2.9
• 1.2.10
• 2.0.0
• 2.0.1
• 2.0.2
• 2.0.3
• 2.0.4
• 2.0.5
• 2.0.6
• 2.0.7

License

• open-source

Website

• Vendor: https://www.apache.org/

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CPE 2.2info

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

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