F5 BIG-IP ASM Web Scraping Cross-Site Scripting Vulnerability


Description   A vulnerability has been reported in F5 BIG-IP ASM, which can be exploited by malicious people to conduct cross-site scripting attacks.
Certain input appended to the URL when passed to the Web Scraping feature in ASM is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in the context of an affected site.
Successful exploitation requires that the Web Scraping feature is set to "Block" in the ASM security policy.
The vulnerability is reported in BIG-IP ASM versions 10.1.0 through 10.2.2.
     
Vulnerable Products   Vulnerable OS:
BIG-IP 10.xVulnerable Software:
     
Solution   Apply hotfix 10.2.2-852.0 HF1.
     
CVE  
     
References   F5:
http://support.f5.com/kb/en-us/solutions/public/12000/900/sol12953.html
cirosec:
https://www.cirosec.de/fileadmin/pdf/veroeffentlichungen/20110610_cirosec_advisory_f5_bigip_asm_sb.pdf
     
Vulnerability Manager Detection   No
     
IPS Protection  
ASQ Engine alarm Available Since
XSS - Prevention - GET : suspicious 'iframe' tag found in URL
3.2.0
XSS - Prevention - GET : suspicious 'meta' tag found in URL
3.2.0
XSS - Prevention - GET : suspicious tag with event found in URL
3.2.0
XSS - Prevention - GET : suspicious 'applet' tag found in URL
3.2.0
XSS - Phishing : suspicious 'div' tag found in URL
3.2.0
XSS - Prevention - GET : suspicious 'style' attribute found in URL
3.2.0
XSS - Prevention - GET : suspicious 'img' tag found in URL
3.2.0
XSS - Phishing : suspicious 'a' tag found in URL
3.2.0
XSS - Prevention - GET : cookie access attempt using script language found in URL
3.2.0
XSS - Prevention - GET : suspicious 'embed' tag found in URL
3.2.0
XSS - Prevention - GET : suspicious 'object' tag found in URL
3.2.0
XSS - Phishing : suspicious 'form' tag found in URL
3.2.0
XSS - Prevention - GET : javascript code found in URL
3.2.0
XSS - Prevention - GET : evasion attempt using tag characters encoding in URL
3.2.0
XSS - Prevention - GET : suspicious 'style' tag found in URL
3.2.0
XSS - Phishing : suspicious 'link' tag found in URL
3.2.0
XSS - Prevention - GET : 'script' tag found in URL
3.2.0
XSS - Prevention - GET : 'location' javascript object found in URL
3.2.0
XSS - Prevention - GET : suspicious 'div' tag found in URL
3.2.0
     


 
 
 
 
 Risk level 
Low 

 Vulnerability First Public Report Date 
2011-07-06 

 Target Type 
Server 

 Possible exploit 
Remote