SAP HANA XS Engine HTTP Request Log input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.3$5k-$25k0.00

Summaryinfo

A vulnerability was found in SAP HANA. It has been classified as critical. This impacts an unknown function of the component XS Engine. This manipulation as part of HTTP Request causes input validation (Log). This vulnerability is tracked as CVE-2016-1929. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in SAP HANA (Database Software) (unknown version) and classified as very critical. Affected by this vulnerability is an unknown code block of the component XS Engine. The manipulation as part of a HTTP Request leads to a input validation vulnerability (Log). The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The XS engine in SAP HANA allows remote attackers to spoof log entries in trace files and consequently cause a denial of service (disk consumption and process crash) via a crafted HTTP request, related to an unspecified debug function, aka SAP Security Note 2241978.

The weakness was disclosed 01/20/2016 with ERPScan as 2241978 as confirmed advisory (Website). The advisory is shared at erpscan.com. This vulnerability is known as CVE-2016-1929 since 01/20/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/23/2018).

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 databases at SecurityFocus (BID 81478†) and Vulnerability Center (SBV-56382†). The entries VDB-80297, VDB-80298 and VDB-80616 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 9.3

VulDB Base Score: 9.3
VulDB Temp Score: 9.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Log
Class: Input validation / Log
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/29/2015 🔍
01/11/2016 +105 days 🔍
01/20/2016 +8 days 🔍
01/20/2016 +0 days 🔍
01/20/2016 +0 days 🔍
01/22/2016 +2 days 🔍
02/02/2016 +11 days 🔍
07/23/2018 +901 days 🔍

Sourcesinfo

Vendor: sap.com

Advisory: 2241978
Organization: ERPScan
Status: Confirmed

CVE: CVE-2016-1929 (🔍)
GCVE (CVE): GCVE-0-2016-1929
GCVE (VulDB): GCVE-100-80617
SecurityFocus: 81478 - SAP HANA CVE-2016-1929 Denial of Service Vulnerability
Vulnerability Center: 56382 - SAP HANA Remote Spoofing Log Entries and DoS Vulnerability in XS Engine, High

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

Entryinfo

Created: 01/22/2016 09:32
Updated: 07/23/2018 07:48
Changes: 01/22/2016 09:32 (63), 07/23/2018 07:48 (9)
Complete: 🔍
Cache ID: 216:794:103

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

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