SAP NetWeaver Recursive XML External Entity Data Parser denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.7 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in SAP NetWeaver and classified as problematic. This issue affects some unknown processing of the component Recursive XML External Entity Data Parser. Performing a manipulation results in denial of service. Furthermore, there is an exploit available. It is suggested to install a patch to address this issue.
Details
A vulnerability was found in SAP NetWeaver (Solution Stack Software) (the affected version unknown). It has been classified as critical. This affects an unknown part of the component Recursive XML External Entity Data Parser. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.
The weakness was shared 03/13/2012 by Alexey Tyurin with ERPScan as DSECRG-12-022 as not defined advisory (Website). The advisory is shared at service.sap.com. The vendor cooperated in the coordination of the public release. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a private exploit is available.
It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 219 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 (92735†). The entries VDB-8527 and VDB-8528 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.sap.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 6.7
VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Patch: sap.com
Timeline
04/08/2011 🔍04/10/2011 🔍
11/13/2011 🔍
03/13/2012 🔍
04/29/2013 🔍
03/21/2019 🔍
Sources
Vendor: sap.comAdvisory: DSECRG-12-022
Researcher: Alexey Tyurin
Organization: ERPScan
Status: Not defined
Coordinated: 🔍
GCVE (VulDB): GCVE-100-8529
OSVDB: 92735
scip Labs: https://www.scip.ch/en/?labs.20150716
See also: 🔍
Entry
Created: 04/29/2013 18:17Updated: 03/21/2019 08:17
Changes: 04/29/2013 18:17 (52), 03/21/2019 08:17 (2)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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