CVE-2021-44224

Summary:

A crafted URI sent to httpd configured as a forward proxy (ProxyRequests on) can cause a crash (NULL pointer dereference) or, for configurations mixing forward and reverse proxy declarations, can allow for requests to be directed to a declared Unix Domain Socket endpoint (Server Side Request Forgery). This issue affects Apache HTTP Server 2.4.7 up to 2.4.51 (included).

Reference Links(if available):

http://httpd.apache.org/security/vulnerabilities_24.html

http://www.openwall.com/lists/oss-security/2021/12/20/3

https://lists.fedoraproject.org/archives/list/[email protected]/message/BFSWOH4X77CV7AH7C4RMHUBDWKQDL4YH/

https://security.netapp.com/advisory/ntap-20211224-0001/

CVSS Score (if available)

v2: / MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:P

v3: / HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Links to Exploits(if available)