CVE-2021-44224
Possible NULL dereference or SSRF in forward proxy configurations in Apache HTTP Server 2.4.51 and earlier
Description
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).
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:LIntegrityLow
A:HAvailabilityHigh
Weaknesses
Affected Products
oracle
commercial·USaka oracle corp.
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
АО «НТЦ ИТ РОСА»
commercial·RU
Apache Software Foundation
oss-project·USaka apache foundation
apache
oss-project·USaka apache httpd, apache http server
fedoraproject
oss-project·USaka fedora project
and 10 more affected products View all →
Exploitability
Official Patch Available
Attack Graph
Products CVE Techniques Tactics
Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.
MITRE ATT&CK
2 techniques Impact
Initial Access
References
http://httpd.apache.org/security/vulnerabilities_24.html
httpd.apache.org
http://www.openwall.com/lists/oss-security/2021/12/20/3
openwall.com
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFSWOH4X77CV7AH7C4RMHUBDWKQDL4YH/
lists.fedoraproject.org
and 38 more references View all →
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