CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.2	$0-$5k	0.00

A vulnerability classified as critical was found in EPiServer Ektron CMS up to 8.02 SP4 (Content Management System). This vulnerability affects the function XslCompiledTransform of the file ekajaxtransform.aspx of the component XSL Data Handler. The manipulation with an unknown input leads to a data processing vulnerability. The CWE definition for the vulnerability is CWE-19. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Ektron Content Management System (CMS) before 8.02 SP5 uses the XslCompiledTransform class with enablescript set to true, which allows remote attackers to execute arbitrary code with NETWORK SERVICE privileges via crafted XSL data.

The bug was discovered 10/16/2012. The weakness was shared 10/30/2017 (Website). The advisory is shared for download at documentation.ektron.com. This vulnerability was named CVE-2012-5357 since 10/10/2012. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 10 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:ekajaxtransform.aspx it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 63245 (Ektron CMS XslCompiledTransform Class Request Parsing Remote Code Execution), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r.

Applying the patch 8.02 SP5 is able to eliminate this problem. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (63245). The entry 108785 is related to this item.

Productinfo

Type

• Content Management System

Vendor

• EPiServer

Name

• Ektron CMS

Version

• 8.02 SP4

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Data processing
CWE: CWE-19
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Highly functional
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 63245
Nessus Name: Ektron CMS XslCompiledTransform Class Request Parsing Remote Code Execution
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 103369
OpenVAS Name: Ektron CMS XslCompiledTransform Class Remote Code Execution Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

MetaSploit ID: ektron_xslt_exec.rb
MetaSploit Name: Ektron 8.02 XSLT Transform Remote Code Execution
MetaSploit File: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 8.02 SP5

Timelineinfo

10/10/2012 🔍
10/16/2012 +6 days 🔍
10/26/2012 +10 days 🔍
12/05/2012 +39 days 🔍
12/12/2012 +7 days 🔍
10/30/2017 +1783 days 🔍
10/30/2017 +0 days 🔍
10/31/2017 +1 days 🔍
01/21/2021 +1178 days 🔍

Sourcesinfo

Advisory: documentation.ektron.com
Researcher: Richard Lundeen
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-5357 (🔍)
SecurityFocus: 56816
OSVDB: 88107 - CVE-2012-5357 - Ektron - Ektron Content Management System - High

See also: 🔍

Entryinfo

Created: 10/31/2017 07:50
Updated: 01/21/2021 09:19
Changes: 10/31/2017 07:50 (76), 04/01/2020 16:50 (6), 01/21/2021 09:19 (5)
Complete: 🔍

Discussion

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