Bug 2056783 (CVE-2021-44577)

Summary:	CVE-2021-44577 libsolv: Heap overflow
Product:	[Other] Security Response	Reporter:	Avinash Hanwate <ahanwate>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	bbuckingham, bcourt, bkearney, btotty, daniel.mach, ehelms, igor.raits, jmracek, jrohel, jsherril, lzap, mcermak, mhulan, mmccune, myarboro, ngompa13, nmoumoul, orabin, packaging-team-maint, pcreech, pkratoch, rchan, rpm-software-management
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	No Doc Update
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-06-29 13:28:56 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:	2056785, 2060802
Bug Blocks:	2056788

Description Avinash Hanwate 2022-02-22 04:16:22 UTC

Two heap-overflow vulnerabilities exist in openSUSE libsolv through 13 Dec 2020 bugs in the propagate function at src/solver.c: line 490 and 524.

https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/propagate-524
https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/propagate-490
https://github.com/openSUSE/libsolv/issues/428

Comment 1 Avinash Hanwate 2022-02-22 04:16:49 UTC

Created libsolv tracking bugs for this issue:

Affects: fedora-all [bug 2056785]