Bug 1555155 (CVE-2018-7728) - CVE-2018-7728 exempi: Heap-based buffer overflow in third-party/zuid/interfaces/MD5.cpp:MD5Update() allows for denial of service via crafted TIFF image
Summary: CVE-2018-7728 exempi: Heap-based buffer overflow in third-party/zuid/interfac...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2018-7728
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1555156 1555157 1555169
Blocks: 1555158
TreeView+ depends on / blocked
 
Reported: 2018-03-14 04:15 UTC by Sam Fowler
Modified: 2019-09-29 14:35 UTC (History)
4 users (show)

Fixed In Version: exempi 2.4.5
Doc Type: If docs needed, set a value
Doc Text:
An out-of-bounds read vulnerability has been discovered in Exempi in the way it handles Extensible Metadata Platform (XMP) data in TIFF images. An attacker could cause a denial of service by convincing a user to open a crafted TIFF image file.
Clone Of:
Environment:
Last Closed: 2018-04-30 07:25:30 UTC
Embargoed:

Attachments (Terms of Use)

Description Sam Fowler 2018-03-14 04:15:40 UTC 
Exempi through version 2.4.4 is vulnerable to a heap-based buffer overflow in third-party/zuid/interfaces/MD5.cpp:MD5Update() caused by a mishandled case of zero length in XMPFiles/source/FileHandlers/TIFF_Handler.cpp. An attacker could exploit this to cause a denial of service via crafted TIFF image file.


Upstream Bug Report:

https://bugs.freedesktop.org/show_bug.cgi?id=105205


Upstream Patch:

https://cgit.freedesktop.org/exempi/commit/?id=e163667a06a9b656a047b0ec660b871f29a83c9f
Comment 1 Sam Fowler 2018-03-14 04:16:19 UTC 
Created exempi tracking bugs for this issue:

Affects: fedora-all [bug 1555156]
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