WBCE CMS up to 1.1.10 path traversal

Summaryinfo

A vulnerability was found in WBCE CMS up to 1.1.10. It has been rated as critical. This impacts an unknown function. This manipulation causes path traversal. This vulnerability is handled as CVE-2017-2119. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in WBCE CMS up to 1.1.10 (Content Management System). It has been declared as critical. Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, and integrity. The summary by CVE is:

Directory traversal vulnerability in WBCE CMS 1.1.10 and earlier allows remote attackers to read arbitrary files via unspecified vectors.

The bug was discovered 02/28/2017. The weakness was released 04/28/2017 (Website). The advisory is shared at jvn.jp. This vulnerability is known as CVE-2017-2119 since 12/01/2016. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 59 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11818 (WBCE CMS Multiple Security Vulnerabilities).

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 SecurityFocus (BID 96467†). Entries connected to this vulnerability are available at VDB-100680 and VDB-100682. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Content Management System

Vendor

• WBCE

Name

• CMS

Version

• 1.1.0
• 1.1.1
• 1.1.2
• 1.1.3
• 1.1.4
• 1.1.5
• 1.1.6
• 1.1.7
• 1.1.8
• 1.1.9
• 1.1.10

License

• free

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

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Entryinfo

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

Discussion