VDB-108785 · CVE-2012-5358 · OSVDB 88108

EPiServer Ektron CMS up to 8.02 SP4 XSLTCompiledTransform data processing

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

Summaryinfo

A vulnerability was found in EPiServer Ektron CMS up to 8.02 SP4. It has been classified as critical. The affected element is the function XSLTCompiledTransform. The manipulation leads to data processing. This vulnerability is referenced as CVE-2012-5358. Remote exploitation of the attack is possible. No exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in EPiServer Ektron CMS up to 8.02 SP4 (Content Management System). This issue affects the function XSLTCompiledTransform. The manipulation with an unknown input leads to a data processing vulnerability. Using CWE to declare the problem leads to CWE-19. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The XSLTCompiledTransform function in Ektron Content Management System (CMS) before 8.02 SP5 configures the XSL with enableDocumentFunction set to true, which allows remote attackers to read arbitrary files and consequently bypass authentication, modify viewstate, cause a denial of service, or possibly have unspecified other impact via crafted XSL data.

The bug was discovered 10/16/2012. The weakness was published 10/30/2017 (Website). The advisory is shared at documentation.ektron.com. The identification of this vulnerability is CVE-2012-5358 since 10/10/2012. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 1840 days. During that time the estimated underground price was around $0-$5k.

Applying the patch 8.02 SP5 is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at OSVDB (88108†). Similar entry is available at VDB-108784. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Content Management System

Vendor

EPiServer

Name

Ektron CMS

Version

8.02 SP4

CPE 2.3info

CPE 2.2info

CVSSv4info

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: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

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 🔍
10/30/2017 +1840 days 🔍
10/30/2017 +0 days 🔍
10/31/2017 +1 days 🔍
04/01/2020 +883 days 🔍

Sourcesinfo

Advisory: documentation.ektron.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-5358 (🔍)
GCVE (CVE): GCVE-0-2012-5358
GCVE (VulDB): GCVE-100-108785
OSVDB: 88108 - CVE-2012-5358 - Ektron - Ektron Content Management System - High

See also: 🔍

Entryinfo

Created: 10/31/2017 07:51
Updated: 04/01/2020 16:52
Changes: 10/31/2017 07:51 (61), 04/01/2020 16:52 (4)
Complete: 🔍
Cache ID: 216::103

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