Bug 1561206 (CVE-2018-8975)

Summary:	CVE-2018-8975 netpbm: heap-buffer-overflow in pm_mallocarray2 function in lib/util/mallocvar.c
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	jridky, phracek
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:	2021-10-21 19:59:02 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:	1561207, 1561208, 1588805, 1910625
Bug Blocks:	1561211

Description Laura Pardo 2018-03-27 21:38:56 UTC

A flaw was found in Netpbm through 10.81.03. The pm_mallocarray2 function in lib/util/mallocvar.c allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted image file, as demonstrated by pbmmask.


References:
https://github.com/xiaoqx/pocs/tree/master/netpbm

Comment 1 Laura Pardo 2018-03-27 21:39:37 UTC

Created netpbm tracking bugs for this issue:

Affects: fedora-all [bug 1561207]

Comment 8 Tomas Hoger 2020-04-21 12:39:18 UTC

SUSE bug:
https://bugzilla.novell.com/show_bug.cgi?id=1086777#c7

indicates this to be the upstream commit:
https://sourceforge.net/p/netpbm/code/3279/