Bug 1590993 (CVE-2018-12264) - CVE-2018-12264 exiv2: integer overflow in getData function in preview.cpp
Summary: CVE-2018-12264 exiv2: integer overflow in getData function in preview.cpp
Status: NEW
Alias: CVE-2018-12264
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
(Show other bugs)
Version: unspecified
Hardware: All Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
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URL:
Whiteboard: impact=low,public=20180611,reported=2...
Keywords: Security
Depends On: 1591684 1590995 1590996
Blocks: 1591000
TreeView+ depends on / blocked
 
Reported: 2018-06-13 21:20 UTC by Laura Pardo
Modified: 2018-06-15 09:30 UTC (History)
3 users (show)

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Description Laura Pardo 2018-06-13 21:20:52 UTC
A flaw was found in Exiv2 0.26. An integer overflow in LoaderTiff::getData() in preview.cpp, leading to an out-of-bounds read in Exiv2::ValueType::setDataArea in value.hpp.


References:
https://github.com/Exiv2/exiv2/issues/366
https://github.com/TeamSeri0us/pocs/blob/master/exiv2/2-out-of-read-Poc

Patch:
https://github.com/Exiv2/exiv2/commit/341de4500ab993103c215bfb07d43d4a08654ac4

Comment 1 Laura Pardo 2018-06-13 21:21:24 UTC
Created exiv2 tracking bugs for this issue:

Affects: fedora-all [bug 1590995]


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