Bug 2175168 (CVE-2023-27560)

Summary:	CVE-2023-27560 phpseclib: Math/PrimeField.php infinite loop
Product:	[Other] Security Response	Reporter:	Avinash Hanwate <ahanwate>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	Keywords:	Security
Target Milestone:	---
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:	2023-03-03 16:16:34 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:	2175169, 2175170
Bug Blocks:

Description Avinash Hanwate 2023-03-03 12:58:38 UTC

Math/PrimeField.php in phpseclib through 2.0.41 has an infinite loop with composite primefields.

https://github.com/phpseclib/phpseclib/commit/6298d1cd55c3ffa44533bd41906caec246b60440

Comment 1 Avinash Hanwate 2023-03-03 12:59:07 UTC

Created php-phpseclib tracking bugs for this issue:

Affects: epel-7 [bug 2175169]
Affects: fedora-all [bug 2175170]

Comment 2 Product Security DevOps Team 2023-03-03 16:16:33 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.