VDB-127871 · CVE-2018-2492 · BID 106153

SAP NetWeaver AS JAVA 7.2/7.30/7.31/7.40/7.50 SAML 2.0 XML Document input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.1$5k-$25k0.00

A vulnerability was found in SAP NetWeaver AS JAVA 7.2/7.30/7.31/7.40/7.50 (Solution Stack Software). It has been rated as critical. This issue affects some unknown functionality of the component SAML 2.0 Handler. The manipulation as part of a XML Document leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity, and availability. The summary by CVE is:

SAML 2.0 functionality in SAP NetWeaver AS Java, does not sufficiently validate XML documents received from an untrusted source. This is fixed in versions 7.2, 7.30, 7.31, 7.40 and 7.50.

The bug was discovered 12/12/2018. The weakness was released 12/11/2018 (Website). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2018-2492 since 12/15/2017. The exploitation is known to be easy. The attack may be initiated remotely. A simple authentication is required for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/20/2020).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.1
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.1
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

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

12/15/2017 🔍
12/11/2018 +361 days 🔍
12/11/2018 +0 days 🔍
12/11/2018 +0 days 🔍
12/12/2018 +1 days 🔍
12/12/2018 +0 days 🔍
04/20/2020 +495 days 🔍

Sourcesinfo

Vendor: sap.com

Advisory: securityfocus.com
Status: Not defined

CVE: CVE-2018-2492 (🔍)
SecurityFocus: 106153 - SAP NetWeaver AS Java CVE-2018-2492 XML External Entity Injection Vulnerability

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

Entryinfo

Created: 12/12/2018 09:26
Updated: 04/20/2020 11:09
Changes: 12/12/2018 09:26 (59), 04/20/2020 11:09 (3)
Complete: 🔍

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