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Bug 1555163 - (CVE-2018-7730) CVE-2018-7730 exempi: Heap-based buffer overflow in XMPFiles/source/FormatSupport/PSIR_FileWriter.cpp:PSD_MetaHandler::CacheFileData() allows for denial of service via crafted xls file
CVE-2018-7730 exempi: Heap-based buffer overflow in XMPFiles/source/FormatSup...
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
impact=low,public=20180222,reported=2...
: Security
Depends On: 1572631 1555156 1555169 1572630
Blocks: 1555158
  Show dependency tree / graph
 
Reported: 2018-03-14 00:42 EDT by Sam Fowler
Modified: 2018-09-27 07:10 EDT (History)
4 users (show)

See Also:
Fixed In Version: exempi 2.4.5
Doc Type: If docs needed, set a value
Doc Text:
An integer wraparound, leading to a buffer overflow, was found in Exempi in the way it handles Adobe Photoshop Images. An attacker could exploit this to cause a denial of service via a crafted image file.
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RHEL 7.3 requirements from Atomic Host:
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Description Sam Fowler 2018-03-14 00:42:35 EDT 
Exempi through version 2.4.4 is vulnerable to a integer wraparound that can lead
to a heap-based buffer overflow in PSD_MetaHandler::CacheFileData() method in
XMPFiles/source/FormatSupport/PSIR_FileWriter.cpp. An attacker could exploit
this to cause a denial of service via crafted xls file.


Upstream Bug Report:
https://bugs.freedesktop.org/show_bug.cgi?id=105204


Upstream Patch:
https://cgit.freedesktop.org/exempi/commit/?id=6cbd34025e5fd3ba47b29b602096e456507ce83b
Comment 2 Sam Fowler 2018-03-14 01:19:46 EDT 
Created exempi tracking bugs for this issue:

Affects: fedora-all [bug 1555156]
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