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Apache HTTP Server 2.4.49 - 2.4.50 Directory Traversal / RCE Vulnerability - Linux

Information

Severity

Severity

Medium

Family

Family

Web Servers

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

2 years ago

Modified

Modified

2 years ago

Summary

Apache HTTP Server is prone to a directory traversal and a possible remote code execution (RCE) vulnerability.

Insight

Insight

It was found that the fix for CVE-2021-41773 in Apache HTTP Server 2.4.50 was insufficient. An attacker could use a path traversal attack to map URLs to files outside the directories configured by Alias-like directives. If files outside of these directories are not protected by the usual default configuration 'require all denied', these requests can succeed. If CGI scripts are also enabled for these aliased paths, this could allow for remote code execution.

Affected Software

Affected Software

Apache HTTP Server version 2.4.49 through 2.4.50.

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

Update to version 2.4.51 or later.

Common Vulnerabilities and Exposures (CVE)