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Embedthis Appweb Web Server Remote Denial of Service Vulnerability

Information

Severity

Severity

Medium

Family

Family

Denial of Service

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

7 years ago

Modified

Modified

3 years ago

Summary

The host is running Embedthis Appweb Web Server and is prone to denial of service vulnerability.

Insight

Insight

A NULL pointer dereference flaw in the parseRange() function in rx.c that is triggered when handling ranger headers in an HTTP request.

Affected Software

Affected Software

Embedthis Appweb version before 4.6.6 and 5.x before 5.2.1

Detection Method

Detection Method

Send a crafted request via HTTP GET and check whether it is able to crash or not.

Solution

Solution

Update to version 4.6.6 or 5.2.1 or later.

Common Vulnerabilities and Exposures (CVE)