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>> Apache "mod_proxy" Reverse proxy Denial of Service Vulnerability

Title : Apache "mod_proxy" Reverse proxy Denial of Service Vulnerability
VUPEN ID : VUPEN/ADV-2009-1773
CVE ID : CVE-2009-1890
CWE ID : VUPEN VNS Only
CVSS V2 : VUPEN VNS Only
Rated as : Low Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2009-07-03


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format 

A vulnerability has been identified in Apache, which could be exploited by remote attackers to cause a denial of service. This issue is caused by an error in the mod_proxy module when configured as a reverse proxy, which could allow remote attackers to cause a vulnerable server to exhaust all available CPU resources, creating a denial of service condition.

Affected Products

Apache versions 2.x

Solution

Apply patch :
http://svn.apache.org/viewvc?view=rev&revision=790587

References

http://www.vupen.com/english/advisories/2009/1773
http://svn.apache.org/viewvc/httpd/httpd/trunk/CHANGES?view=markup&pathrev=790587
http://svn.apache.org/viewvc?view=rev&revision=790587

Credits

Vulnerability reported by Nick Kew and Joe Orton.

ChangeLog

2009-07-03 : Initial release

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