Bug 1579058 (CVE-2018-10963)

Summary: CVE-2018-10963 libtiff: reachable assertion in TIFFWriteDirectorySec function in tif_dirwrite.c
Product: [Other] Security Response Reporter: Laura Pardo <lpardo>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: erik-fedora, mike, nforro, phracek, rschiron, tgl
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: 2019-08-06 19:18:48 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: 1579059, 1579060, 1579061, 1579062, 1598726    
Bug Blocks: 1577318    

Description Laura Pardo 2018-05-16 22:00:15 UTC
A flaw was found in LibTIFF through 4.0.9. TIFFWriteDirectorySec() function in tif_dirwrite.c allows remote attackers to cause a denial of service (assertion failure and application crash) via a crafted file.


References:
http://bugzilla.maptools.org/show_bug.cgi?id=2795

Patch:
https://gitlab.com/libtiff/libtiff/commit/de144fd228e4be8aa484c3caf3d814b6fa88c6d9

Comment 1 Laura Pardo 2018-05-16 22:00:47 UTC
Created libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1579061]


Created mingw-libtiff tracking bugs for this issue:

Affects: epel-7 [bug 1579062]
Affects: fedora-all [bug 1579059]

Comment 5 Riccardo Schirone 2018-07-06 10:20:44 UTC
Statement:

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

Comment 6 errata-xmlrpc 2019-08-06 12:08:55 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2019:2053 https://access.redhat.com/errata/RHSA-2019:2053

Comment 7 Product Security DevOps Team 2019-08-06 19:18:48 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2018-10963