Apache HTTP Server Range Header Remote Denial of Service Vulnerability


Description   A vulnerability has been identified in Apache HTTP Server, which could be exploited by remote attackers to cause a denial of service. This issue is caused by an error when processing malformed HTTP Range request header data with an excessive amount of range fields, which could lead to a denial of service condition.
     
Vulnerable Products   Vulnerable Software:
Apache HTTP Server versions 2.xApache HTTP Server versions 1.x
     
Solution   Disable the use of Range headers or limit the number of ranges : http://marc.info/?l=apache-httpd-dev&m=131418828705324&w=2
     
CVE   CVE-2011-3192
     
References   http://marc.info/?t=131418800800002&r=1&w=2
http://www.exploit-db.com/exploits/17696/
     
Vulnerability Manager Detection   No
     
IPS Protection  
ASQ Engine alarm Available Since
Possible buffer overflow in HTTP request/reply
3.2.0
     


 
 
 
 
 Risk level 
Moderate 

 Vulnerability First Public Report Date 
2011-08-24 

 Target Type 
Server 

 Possible exploit 
Local & Remote