Bug 2044969 (CVE-2021-29454)

Summary:	CVE-2021-29454 php-Smarty: template authors could run arbitrary PHP code by crafting a malicious math string
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	christof, shawn
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	php-Smarty 3.1.42, php-Smarty 4.0.2	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-01-25 12:30:43 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:	2044970, 2044971
Bug Blocks:

Description Marian Rehak 2022-01-25 11:50:20 UTC

Template authors could run arbitrary PHP code by crafting a malicious math string. If a math string was passed through as user provided data to the math function, external users could run arbitrary PHP code by crafting a malicious math string.

Reference:

https://github.com/smarty-php/smarty/security/advisories/GHSA-29gp-2c3m-3j6m

Comment 1 Marian Rehak 2022-01-25 11:50:41 UTC

Created php-Smarty tracking bugs for this issue:

Affects: epel-7 [bug 2044971]
Affects: fedora-all [bug 2044970]

Comment 2 Product Security DevOps Team 2022-01-25 12:30:41 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.