Bug 1900812 (CVE-2020-20740)

Summary:	CVE-2020-20740 pdfresurrect: heap-based buffer overflow in pdf_get_version function due to lack of header validation checks
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	lemenkov
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:	2020-11-23 23:33:57 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:	1900813
Bug Blocks:

Description Guilherme de Almeida Suckevicz 2020-11-23 18:45:26 UTC

PDFResurrect before 0.20 lack of header validation checks causes heap-buffer-overflow in pdf_get_version().

Reference:
https://github.com/enferex/pdfresurrect/issues/14

Upstream patch:
https://github.com/enferex/pdfresurrect/commit/1b422459f07353adce2878806d5247d9e91fb397

Comment 1 Guilherme de Almeida Suckevicz 2020-11-23 18:45:41 UTC

Created pdfresurrect tracking bugs for this issue:

Affects: fedora-all [bug 1900813]

Comment 2 Product Security DevOps Team 2020-11-23 23:33:57 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.