Bug 1577319 (CVE-2018-10780)

Summary:	CVE-2018-10780 exiv2: heap-based buffer over-read in Exiv2::Image::byteSwap2 function in image.cpp
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	jgrulich, michel, rdieter
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:	2018-05-29 18:02:22 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:	1577320, 1577321
Bug Blocks:	1577323

Description Laura Pardo 2018-05-11 17:29:43 UTC

A flaw was found in Exiv2 0.26, function Exiv2::Image::byteSwap2 in image.cpp file has a heap-based buffer over-read. This allows attackers to cause a denial of service attack.


References:
https://bugzilla.redhat.com/show_bug.cgi?id=1575201

Comment 1 Laura Pardo 2018-05-11 17:30:06 UTC

Created exiv2 tracking bugs for this issue:

Affects: fedora-all [bug 1577321]

Comment 4 Pedro Yóssis Silva Barbosa 2018-05-29 18:02:22 UTC

Closing as NOTABUG. 
The POC doesn't reach the byteSwap2 function. The reporter said that the POC was for Ubuntu 16.04, not RHEL.