Topic

An update for exempi is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Exempi provides a library for easy parsing of XMP metadata. It is a port of Adobe XMP SDK to work on UNIX and to be build with GNU automake. It includes XMPCore and XMPFiles.

Security Fix(es):

• exempi: Infinite Loop in Chunk class in XMPFiles/source/FormatSupport/RIFF.cpp (CVE-2017-18233)
• exempi: Use after free via a PDF file containing JPEG data (CVE-2017-18234)
• exempi: Infinite loop in ASF_Support::ReadHeaderObject function in XMPFiles/source/FormatSupport/ASF_Support.cpp (CVE-2017-18236)
• exempi: Infinite loop in TradQT_Manager::ParseCachedBoxes function in XMPFiles/source/FormatSupport/QuickTime_Support.cpp (CVE-2017-18238)
• exempi: Heap-based buffer overflow in PSD_MetaHandler::CacheFileData function in XMPFiles/source/FormatSupport/PSIR_FileWriter.cpp allows for denial of service via crafted XLS file (CVE-2018-7730)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.7 Release Notes linked from the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux Server 7 x86_64
• Red Hat Enterprise Linux Workstation 7 x86_64
• Red Hat Enterprise Linux Desktop 7 x86_64
• Red Hat Enterprise Linux for IBM z Systems 7 s390x
• Red Hat Enterprise Linux for Power, big endian 7 ppc64
• Red Hat Enterprise Linux for Scientific Computing 7 x86_64
• Red Hat Enterprise Linux for Power, little endian 7 ppc64le

Fixes

• BZ - 1555163 - CVE-2018-7730 exempi: Heap-based buffer overflow in PSD_MetaHandler::CacheFileData function in XMPFiles/source/FormatSupport/PSIR_FileWriter.cpp allows for denial of service via crafted XLS file
• BZ - 1558715 - CVE-2017-18238 exempi: Infinite loop in TradQT_Manager::ParseCachedBoxes function in XMPFiles/source/FormatSupport/QuickTime_Support.cpp
• BZ - 1559575 - CVE-2017-18233 exempi: Infinite Loop in Chunk class in XMPFiles/source/FormatSupport/RIFF.cpp
• BZ - 1559590 - CVE-2017-18234 exempi: Use after free via a PDF file containing JPEG data
• BZ - 1559596 - CVE-2017-18236 exempi: Infinite loop in ASF_Support::ReadHeaderObject function in XMPFiles/source/FormatSupport/ASF_Support.cpp

CVEs

• CVE-2017-18233
• CVE-2017-18234
• CVE-2017-18236
• CVE-2017-18238
• CVE-2018-7730

References

• https://access.redhat.com/security/updates/classification/#low
• https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html-single/7.7_release_notes/index