Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2018.0818
Debian exempi security update
22 March 2018
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: exempi
Publisher: Debian
Operating System: Debian GNU/Linux 7
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Denial of Service -- Remote with User Interaction
Access Confidential Data -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2018-7730 CVE-2018-7728 CVE-2017-18238
CVE-2017-18236 CVE-2017-18234 CVE-2017-18233
Original Bulletin:
https://lists.debian.org/debian-lts-announce/2018/03/msg00013.html
Comment: This advisory references vulnerabilities in products which run on
platforms other than Debian. It is recommended that administrators
running exempi check for an updated version of the software for
their operating system.
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Package : exempi
Version : 2.2.0-1+deb7u1
CVE ID : CVE-2017-18233 CVE-2017-18234 CVE-2017-18236
CVE-2017-18238 CVE-2018-7728 CVE-2018-7730
Various issues were discovered in exempi, a library to parse XMP
metadata that may cause a denial-of-service or may have other
unspecified impact via crafted files.
CVE-2017-18233
An Integer overflow in the Chunk class in RIFF.cpp allows remote
attackers to cause a denial of service (infinite loop) via crafted
XMP data in an .avi file.
CVE-2017-18234
An issue was discovered that allows remote attackers to cause a
denial of service (invalid memcpy with resultant use-after-free)
or possibly have unspecified other impact via a .pdf file containing
JPEG data.
CVE-2017-18236
The ASF_Support::ReadHeaderObject function in ASF_Support.cpp allows
remote attackers to cause a denial of service (infinite loop) via a
crafted .asf file.
CVE-2017-18238
The TradQT_Manager::ParseCachedBoxes function in
QuickTime_Support.cpp allows remote attackers to cause
a denial of service (infinite loop) via crafted XMP data in
a .qt file.
CVE-2018-7728
TIFF_Handler.cpp mishandles a case of a zero length, leading to a
heap-based buffer over-read in the MD5Update() function in
MD5.cpp.
CVE-2018-7730
A certain case of a 0xffffffff length is mishandled in
PSIR_FileWriter.cpp, leading to a heap-based buffer over-read
in the PSD_MetaHandler::CacheFileData() function.
For Debian 7 "Wheezy", these problems have been fixed in version
2.2.0-1+deb7u1.
We recommend that you upgrade your exempi packages.
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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