Executive Summary

Informations
Name CVE-2021-44224 First vendor Publication 2021-12-20
Vendor Cve Last vendor Modification 2023-11-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Overall CVSS Score 8.2
Base Score 8.2 Environmental Score 8.2
impact SubScore 4.2 Temporal Score 8.2
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact Low Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:P/A:P)
Cvss Base Score 6.4 Attack Range Network
Cvss Impact Score 4.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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).

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44224

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-476 NULL Pointer Dereference

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 252
Application 1
Application 7
Application 4
Application 6
Application 6
Application 3
Application 3
Application 5
Os 13
Os 29
Os 2
Os 3

Sources (Detail)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
Source Url
CONFIRM https://security.netapp.com/advisory/ntap-20211224-0001/
https://support.apple.com/kb/HT213255
https://support.apple.com/kb/HT213256
https://support.apple.com/kb/HT213257
https://www.tenable.com/security/tns-2022-01
https://www.tenable.com/security/tns-2022-03
DEBIAN https://www.debian.org/security/2022/dsa-5035
FULLDISC http://seclists.org/fulldisclosure/2022/May/33
http://seclists.org/fulldisclosure/2022/May/35
http://seclists.org/fulldisclosure/2022/May/38
GENTOO https://security.gentoo.org/glsa/202208-20
MISC http://httpd.apache.org/security/vulnerabilities_24.html
https://www.oracle.com/security-alerts/cpuapr2022.html
https://www.oracle.com/security-alerts/cpujan2022.html
MLIST http://www.openwall.com/lists/oss-security/2021/12/20/3

Alert History

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