SAP NetWeaver ABAP XML External Entity Data Parser information disclosure

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.
4.8	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in SAP NetWeaver. This affects an unknown part of the component ABAP XML External Entity Data Parser. This manipulation causes information disclosure. Moreover, an exploit is present. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability has been found in SAP NetWeaver (Solution Stack Software) (affected version unknown) and classified as problematic. Affected by this vulnerability is an unknown functionality of the component ABAP XML External Entity Data Parser. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality.

The weakness was disclosed 03/13/2012 by Alexey Tyurin with ERPScan as DSECRG-12-025 as not defined advisory (Website). It is possible to read the advisory at service.sap.com. The public release has been coordinated in cooperation with SAP. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a private exploit is available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 184 days. During that time the estimated underground price was around $5k-$25k.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at sap.com. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at OSVDB (92733†). The entries VDB-8528 and VDB-8529 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Solution Stack Software

Vendor

Name

NetWeaver

License

commercial

Website

Vendor: https://www.sap.com/

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Proof-of-Concept
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: 🔍

Reaction Time: 🔍
0-Day Time: 🔍

Patch: sap.com

Timelineinfo

05/13/2011 🔍
05/17/2011 +4 days 🔍
11/13/2011 +180 days 🔍
03/13/2012 +121 days 🔍
04/29/2013 +412 days 🔍
03/21/2019 +2152 days 🔍

Sourcesinfo

Vendor: sap.com

Advisory: DSECRG-12-025
Researcher: Alexey Tyurin
Organization: ERPScan
Status: Not defined
Coordinated: 🔍

GCVE (VulDB): GCVE-100-8527
OSVDB: 92733

scip Labs: https://www.scip.ch/en/?labs.20150716
See also: 🔍

Entryinfo

Created: 04/29/2013 18:14
Updated: 03/21/2019 08:13
Changes: 04/29/2013 18:14 (52), 03/21/2019 08:13 (2)
Complete: 🔍
Cache ID: 216::103