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Apache HTTP Server Range Header DoS Vulnerability
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Apache HTTP Server is prone to a denial of service (DoS) vulnerability.
Insight
Insight
The flaw is caused the way Apache httpd web server handles certain requests with multiple overlapping ranges, which causes significant memory and CPU usage on the server leading to application crash and system can become unstable.
Affected Software
Affected Software
Apache HTTP Server 1.3.x, 2.0.x through 2.0.64 and 2.2.x through 2.2.19. The vulnerable version of Apache HTTP Server is also known to be used in GIGAPOD file servers provided by TripodWorks.
Solution
Solution
Update to version 2.0.65, 2.2.20 or later. For older versions please see the references for a fix to mitigate this issue.
Common Vulnerabilities and Exposures (CVE)
References
- https://www.exploit-db.com/exploits/17696
- https://packetstormsecurity.com/files/view/104441
- https://marc.info/?l=apache-httpd-dev&m=131420013520206&w=2
- https://mail-archives.apache.org/mod_mbox/httpd-dev/201108.mbox/%3CCAA
- https://jvn.jp/en/jp/JVN23809730/index.html
- https://httpd.apache.org/security/vulnerabilities_22.html
- https://httpd.apache.org/security/vulnerabilities_20.html