Bug 1577319 (CVE-2018-10780)

Summary: CVE-2018-10780 exiv2: heap-based buffer over-read in Exiv2::Image::byteSwap2 function in image.cpp
Product: [Other] Security Response Reporter: Laura Pardo <lpardo>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED NOTABUG QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: jgrulich, michel, rdieter
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Clone Of: Environment:
Last Closed: 2018-05-29 18:02:22 UTC Type: ---
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Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1577320, 1577321    
Bug Blocks: 1577323    

Description Laura Pardo 2018-05-11 17:29:43 UTC
A flaw was found in Exiv2 0.26, function Exiv2::Image::byteSwap2 in image.cpp file has a heap-based buffer over-read. This allows attackers to cause a denial of service attack.


References:
https://bugzilla.redhat.com/show_bug.cgi?id=1575201

Comment 1 Laura Pardo 2018-05-11 17:30:06 UTC
Created exiv2 tracking bugs for this issue:

Affects: fedora-all [bug 1577321]

Comment 4 Pedro YĆ³ssis Silva Barbosa 2018-05-29 18:02:22 UTC
Closing as NOTABUG. 
The POC doesn't reach the byteSwap2 function. The reporter said that the POC was for Ubuntu 16.04, not RHEL.