Bug 1494196 (CVE-2017-7544)

Summary:	CVE-2017-7544 libexif: Out-of-bounds heap read in exif_data_save_data_entry function
Product:	[Other] Security Response	Reporter:	Adam Mariš <amaris>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	ajax, alexl, caillon+fedoraproject, gnome-sig, rdieter, rhughes, rstrode, sandmann, yselkowi
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:	2019-06-08 03:26:01 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:	1494197
Bug Blocks:

Description Adam Mariš 2017-09-21 16:13:13 UTC

An out-of-bounds heap read vulnerability was found in exif_data_save_data_entry function in libexif/exif-data.c caused by improper length computation of the allocated data of an ExifMnote entry which can cause denial-of-service or possibly information disclosure.

Upstream bug:

https://sourceforge.net/p/libexif/bugs/130/

Comment 1 Adam Mariš 2017-09-21 16:13:15 UTC

Acknowledgments:

Name: Lili Xu (Chinese Acadamy of Sciences), Bingchang Liu (Chinese Acadamy of Sciences)

Comment 2 Adam Mariš 2017-09-21 16:13:47 UTC

Created libexif tracking bugs for this issue:

Affects: fedora-all [bug 1494197]