Apache HTTP Server Range Header DoS Vulnerability

Information

Severity

Severity

High

Family

Family

Denial of Service

CVSSv2 Base

CVSSv2 Base

7.8

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

10 years ago

Modified

Modified

7 months ago

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)

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