RHSA-2020:4039 - Security Advisory

Topic

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

Red Hat Product Security has rated this update as having a security impact of Moderate. 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

OpenEXR is a high dynamic-range (HDR) image file format developed by Industrial Light & Magic for use in computer imaging applications. This package contains libraries and sample applications for handling the format.

Security Fix(es):

• OpenEXR: out-of-bounds read during Huffman uncompression (CVE-2020-11761)
• OpenEXR: std::vector out-of-bounds read and write in ImfTileOffsets.cpp (CVE-2020-11763)
• OpenEXR: out-of-bounds write in copyIntoFrameBuffer function in ImfMisc.cpp (CVE-2020-11764)

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 7.9 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 Server - Extended Life Cycle Support 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
• Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 7 s390x
• Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian 7 ppc64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian 7 ppc64le

Fixes

• BZ - 1828990 - CVE-2020-11764 OpenEXR: out-of-bounds write in copyIntoFrameBuffer function in ImfMisc.cpp
• BZ - 1828995 - CVE-2020-11763 OpenEXR: std::vector out-of-bounds read and write in ImfTileOffsets.cpp
• BZ - 1829002 - CVE-2020-11761 OpenEXR: out-of-bounds read during Huffman uncompression

CVEs

• CVE-2020-11761
• CVE-2020-11763
• CVE-2020-11764

References

• https://access.redhat.com/security/updates/classification/#moderate
• https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.9_release_notes/index