Bug 1591879 (CVE-2018-5804)

Summary:	CVE-2018-5804 LibRaw: type confusion error in identify() function in internal/dcraw_common.cpp
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	debarshir, extras-orphan, gwync, hobbes1069, jridky, manisandro, mattdm, mattia.verga, nphilipp, ry, sebastian, siddharth.kde, siddhesh, than, thibault.north
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	LibRaw 0.18.8	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-10 10:29:15 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:	1591880, 1591881, 1591882, 1591883, 1591884, 1591885, 1610499
Bug Blocks:	1591907

Description Pedro Sampaio 2018-06-15 18:05:04 UTC

A type confusion error within the "identify()" function
(internal/dcraw_common.cpp) can be exploited to trigger a division by
zero.

References:

https://secuniaresearch.flexerasoftware.com/secunia_research/2018-03

Comment 1 Pedro Sampaio 2018-06-15 18:05:33 UTC

Created LibRaw tracking bugs for this issue:

Affects: epel-6 [bug 1591885]
Affects: fedora-all [bug 1591880]


Created dcraw tracking bugs for this issue:

Affects: fedora-all [bug 1591882]


Created libkdcraw tracking bugs for this issue:

Affects: fedora-all [bug 1591883]


Created mingw-LibRaw tracking bugs for this issue:

Affects: fedora-all [bug 1591881]


Created rawtherapee tracking bugs for this issue:

Affects: fedora-all [bug 1591884]

Comment 2 Adam Mariš 2018-07-27 11:25:04 UTC

Upstream fix:

https://github.com/LibRaw/LibRaw/commit/9f26ce37f5be86ea11bfc6831366558650b1f6ff

Comment 4 Adam Mariš 2018-07-31 19:06:27 UTC

Statement:

This issue did not affect the versions of LibRaw as shipped with Red Hat Enterprise Linux 7 as they did not include the vulnerable code.

This issue did not affect the versions of dcraw as shipped with Red Hat Enterprise Linux 5, 6 and 7 as they did not include the vulnerable code.

This issue did not affect the versions of libkdcraw as shipped with Red Hat Enterprise Linux 7 as they did not include the vulnerable code.

Comment 5 Debarshi Ray 2018-11-22 17:14:08 UTC

This was fixed in LibRaw-0.18.8 and LibRaw-0.19.0-Beta1.