Obrela Security Industries Advisory (OSI-1501)

Advisory ID 

OSI-1501

Description:

The XML parser of Cisco Prime Service Catalog suffers from a vulnerability that could allow an authenticated remote attacker to either cause denial of service conditions (resources consumption) or retrieve sensitive data (local data access).

Researcher:

Alexis Dimitriadis (a.dimitriadis[a t]obrela[do t]com)

Vulnerability:

CVE-2015-0581: Cisco Prime Service Catalog XML External Entity Processing Vulnerability

CVSS Base Score: 7.0, CVSS Temporal Score: 5.8

Identification date:

09/06/2014

Solution – fix & patch:

Cisco has released Prime Service Catalog 10.1 as well as a patch for 9.4.1, 9.4.1R2, 10.0, and 10.0R2 to remediate this vulnerability.

References:

Mitre entry: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0581

Cisco advisory: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150128-psc-xmlee

PoC:

The following information represents a PoC aiming to access the ‘boot.ini’ local file of the host lying underneath; note that directories can also be listed.

Url:

/RequestCenter/services/ServiceManagerTaskService

Post data:

   ]>



    


    
     
    


    
     username&varname;
    
    
     password
    




    
     
    


    
     username
    
    
     0
    


    
     9999
    
    
     1
    


    
     2