Bug 1640118

Summary: chromium-browser: Heap buffer overflow in lcms in PDFium
Product: [Other] Security Response Reporter: Andrej Nemec <anemec>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED DUPLICATE QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: akarshan.biswas, mhroncok, tcallawa, tpopela, yaneti
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: chromium-browser 70.0.3538.67 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2018-10-24 13:13:54 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On:    
Bug Blocks: 1640116    

Description Andrej Nemec 2018-10-17 11:33:19 UTC
A heap buffer overflow flaw was found in the Little CMS in PDFium component of the Chromium browser.

Upstream bug:

https://crbug.com/872189

External References:

https://chromereleases.googleblog.com/2018/10/stable-channel-update-for-desktop.html

Comment 1 Andrej Nemec 2018-10-17 11:39:19 UTC
Created chromium tracking bugs for this issue:

Affects: epel-7 [bug 1640122]
Affects: fedora-all [bug 1640121]

Comment 3 Tomas Hoger 2018-10-24 13:13:54 UTC
(In reply to Andrej Nemec from comment #0)
> https://crbug.com/872189

The upstream chromium bug is still not public, but using the bug id, the following commit in the chromium repo:

https://chromium.googlesource.com/chromium/src/+/6486b858d8c49db25df193a817b808d4dcea1f75%5E%21/#F0

points us to the pdfium repo, which contains the following commit:

https://pdfium.googlesource.com/pdfium.git/+/81a3c2408a1fb3e3cc4b06d659cce19157ee0a91%5E%21/#F1

which corresponds to the following LittleCMS / lcms upstream commit:

https://github.com/mm2/Little-CMS/commit/768f70ca

making this a duplicate of bug 1628969 / CVE-2018-16435.

*** This bug has been marked as a duplicate of bug 1628969 ***