Bug 1475754 – CVE-2017-11683 exiv2: Reachable assertion in the Internal::TiffReader::visitDirectory function

Bugzilla will be upgraded to version 5.0. The upgrade date is tentatively scheduled for 2 December 2018, pending final testing and feedback.

Bug 1475754 - (CVE-2017-11683) CVE-2017-11683 exiv2: Reachable assertion in the Internal::TiffReader::visitDirectory function

Summary:	CVE-2017-11683 exiv2: Reachable assertion in the Internal::TiffReader::visitD...

Status:	CLOSED WONTFIX

Aliases:	CVE-2017-11683

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	low Severity low
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
QA Contact:
Docs Contact:

URL:
Whiteboard:	impact=low,public=20170726,reported=2...
Keywords:	Security

Depends On:	1475124 1475370
Blocks:
	Show dependency tree / graph

Reported:	2017-07-27 05:24 EDT by Andrej Nemec
Modified:	2017-07-27 09 EDT (History)
CC List:	6 users (show)

See Also:
Fixed In Version:
Doc Type:	If docs needed, set a value
Doc Text:
Story Points:	---
Clone Of:
Environment:
Last Closed:	2017-07-27 05:26:11 EDT
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

Attachments	(Terms of Use)
Triggered by "./exiv2 $POC" (362 bytes, application/x-rar) 2017-07-27 09:50 EDT, owl337	no flags	Details
Add an attachment (proposed patch, testcase, etc.)

Groups: None (edit)

Description Andrej Nemec 2017-07-27 05:24:45 EDT

There is a reachable assertion in the Internal::TiffReader::visitDirectory function in tiffvisitor.cpp of Exiv2 0.26 that will lead to a denial of service attack via crafted input.

Product bug:

https://bugzilla.redhat.com/show_bug.cgi?id=1475124

Comment 1 Andrej Nemec 2017-07-27 05:25:29 EDT

Created exiv2 tracking bugs for this issue:

Affects: fedora-all [bug 1475370]

Comment 2 owl337 2017-07-27 09:50 EDT

Created attachment 1305393 [details]
Triggered by  "./exiv2 $POC"

Note You need to log in before you can comment on or make changes to this bug.