Bug 1610156 (CVE-2018-5816)

Summary:	CVE-2018-5816 LibRaw: Integer overflow in internal/dcraw_common.cpp:identify() allows for denial of service
Product:	[Other] Security Response	Reporter:	Sam Fowler <sfowler>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	dchen, debarshir, gwync, hobbes1069, manisandro, siddharth.kde, siddhesh
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	LibRaw 0.18.12	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2018-07-31 14:40:43 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:	1610157, 1610158, 1610159, 1610160
Bug Blocks:	1610155

Description Sam Fowler 2018-07-31 04:56:34 UTC

LibRaw versions prior to 0.18.12 are vulnerable to an integer overflow in the internal/dcraw_common.cpp:identify() function. An attacker could exploit this to cause an divide-by-zero and resultant denial of service via a specially crafted NOKIARAW file.

This vulnerability was caused by an incomplete fix to CVE-2018-5804.


Reference:

http://seclists.org/bugtraq/2018/Jul/58

Comment 1 Sam Fowler 2018-07-31 04:59:16 UTC

Created LibRaw tracking bugs for this issue:

Affects: epel-6 [bug 1610159]
Affects: fedora-all [bug 1610157]


Created mingw-LibRaw tracking bugs for this issue:

Affects: fedora-all [bug 1610158]

Comment 3 Stefan Cornelius 2018-07-31 12:59:41 UTC

This looks like the patch:
https://github.com/LibRaw/LibRaw/commit/4a3e68a41cf6d67fd83cffd2651d97d75dffcb57

Comment 4 Stefan Cornelius 2018-07-31 14:40:43 UTC

I believed this was introduced via https://github.com/LibRaw/LibRaw/commit/d5715aa86a83c756e38fdbae0e034e5a07901d49

This is not in RHEL7.

Comment 5 Stefan Cornelius 2018-07-31 14:40:52 UTC

Statement:

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

Comment 6 Debarshi Ray 2018-09-27 13:54:18 UTC

This was fixed in LibRaw 0.19.0-Beta6 and 0.18.12.