Bug 2124763 (CVE-2022-36032)

Summary:	CVE-2022-36032 php-react-http: ReactPHP's HTTP server parses encoded cookie names so malicious `__Host-` and `__Secure-` cookies can be sent
Product:	[Other] Security Response	Reporter:	Sandipan Roy <saroy>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	shawn
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-11-25 02:54:04 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2124764, 2124766
Bug Blocks:

Description Sandipan Roy 2022-09-07 05:45:55 UTC

ReactPHP HTTP is a streaming HTTP client and server implementation for ReactPHP. In ReactPHP's HTTP server component versions starting with 0.7.0 and prior to 1.7.0, when ReactPHP is processing incoming HTTP cookie values, the cookie names are url-decoded. This may lead to cookies with prefixes like `__Host-` and `__Secure-` confused with cookies that decode to such prefix, thus leading to an attacker being able to forge cookie which is supposed to be secure. This issue is fixed in ReactPHP HTTP version 1.7.0. As a workaround, Infrastructure or DevOps can place a reverse proxy in front of the ReactPHP HTTP server to filter out any unexpected `Cookie` request headers.

https://github.com/reactphp/http/pull/175
https://github.com/reactphp/http/security/advisories/GHSA-w3w9-vrf5-8mx8
https://github.com/reactphp/http/releases/tag/v1.7.0
https://github.com/reactphp/http/commit/663c9a3b77b71463fa7fcb76a6676ffd16979dd6

Comment 1 Sandipan Roy 2022-09-07 05:46:22 UTC

Created php-react-http tracking bugs for this issue:

Affects: epel-all [bug 2124766]
Affects: fedora-all [bug 2124764]

Comment 2 Product Security DevOps Team 2022-11-25 02:54:02 UTC

This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.