8.2

CVE-2021-44224

Possible NULL dereference or SSRF in forward proxy configurations in Apache HTTP Server 2.4.51 and earlier

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).
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Apache ≫ HTTP Server Version >= 2.4.7 < 2.4.52
Fedoraproject ≫ Fedora Version 34
Fedoraproject ≫ Fedora Version 35
Fedoraproject ≫ Fedora Version 36
Debian ≫ Debian Linux Version 10.0
Debian ≫ Debian Linux Version 11.0
Tenable ≫ Tenable.Sc Version >= 5.14.0 < 5.20.0
Tenable ≫ Tenable.Sc Version >= 5.16.0 < 202201.1
Oracle ≫ HTTP Server Version -
Oracle ≫ HTTP Server Version 12.2.1.3.0
Oracle ≫ HTTP Server Version 12.2.1.4.0
Apple ≫ macOS X Version 10.15.7
Apple ≫ macOS X Version 10.15.7 Update security_update_2020-001
Apple ≫ macOS X Version 10.15.7 Update security_update_2021-001
Apple ≫ macOS X Version 10.15.7 Update security_update_2021-002
Apple ≫ macOS X Version 10.15.7 Update security_update_2021-003
Apple ≫ macOS X Version 10.15.7 Update security_update_2021-004
Apple ≫ macOS X Version 10.15.7 Update security_update_2021-005
Apple ≫ macOS X Version 10.15.7 Update security_update_2021-006
Apple ≫ macOS X Version 10.15.7 Update security_update_2021-007
Apple ≫ macOS X Version 10.15.7 Update security_update_2021-008
Apple ≫ macOS X Version 10.15.7 Update security_update_2022-001
Apple ≫ macOS X Version 10.15.7 Update security_update_2022-002
Apple ≫ macOS X Version 10.15.7 Update security_update_2022-003
Apple ≫ macOS Version < 10.15.7
Apple ≫ macOS Version >= 11.0 < 11.6.6
Apple ≫ macOS Version >= 12.0.0 < 12.4
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 82.3% 0.996
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 8.2 3.9 4.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
NIST 6.4 10 4.9
AV:N/AC:L/Au:N/C:N/I:P/A:P
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

http://httpd.apache.org/security/vulnerabilities_24.html
Vendor Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html
Patch
Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.html
Patch
Third Party Advisory
https://security.gentoo.org/glsa/202208-20
Third Party Advisory
http://seclists.org/fulldisclosure/2022/May/35
Third Party Advisory
Mailing List
https://support.apple.com/kb/HT213256
Third Party Advisory
http://seclists.org/fulldisclosure/2022/May/33
Third Party Advisory
Mailing List
http://seclists.org/fulldisclosure/2022/May/38
Third Party Advisory
Mailing List
http://www.openwall.com/lists/oss-security/2021/12/20/3
Third Party Advisory
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFSWOH4X77CV7AH7C4RMHUBDWKQDL4YH/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RGWILBORT67SHMSLYSQZG2NMXGCMPUZO/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X73C35MMMZGBVPQQCH7LQZUMYZNQA5FO/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7H26WJ6TPKNWV3QKY4BHKUKQVUTZJTD/
https://security.netapp.com/advisory/ntap-20211224-0001/
Third Party Advisory
https://support.apple.com/kb/HT213255
Third Party Advisory
https://support.apple.com/kb/HT213257
Third Party Advisory
https://www.debian.org/security/2022/dsa-5035
Third Party Advisory
https://www.tenable.com/security/tns-2022-01
Third Party Advisory
https://www.tenable.com/security/tns-2022-03
Third Party Advisory