Bug 1590993 – CVE-2018-12264 exiv2: integer overflow in getData function in preview.cpp

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

Bug 1590993 - (CVE-2018-12264) CVE-2018-12264 exiv2: integer overflow in getData function in preview.cpp

Summary:	CVE-2018-12264 exiv2: integer overflow in getData function in preview.cpp

Status:	NEW

Aliases:	CVE-2018-12264

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=20180611,reported=2...
Keywords:	Security

Depends On:	1591684 1590995 1590996
Blocks:	1591000
	Show dependency tree / graph

Reported:	2018-06-13 17:20 EDT by Laura Pardo
Modified:	2018-06-15 05:30 EDT (History)
CC List:	3 users (show)

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

Attachments	(Terms of Use)
Add an attachment (proposed patch, testcase, etc.)

Groups: None (edit)

Description Laura Pardo 2018-06-13 17:20:52 EDT

A flaw was found in Exiv2 0.26. An integer overflow in LoaderTiff::getData() in preview.cpp, leading to an out-of-bounds read in Exiv2::ValueType::setDataArea in value.hpp.


References:
https://github.com/Exiv2/exiv2/issues/366
https://github.com/TeamSeri0us/pocs/blob/master/exiv2/2-out-of-read-Poc

Patch:
https://github.com/Exiv2/exiv2/commit/341de4500ab993103c215bfb07d43d4a08654ac4

Comment 1 Laura Pardo 2018-06-13 17:21:24 EDT

Created exiv2 tracking bugs for this issue:

Affects: fedora-all [bug 1590995]

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