Out-of-bounds read in OpenEXR - CVE-2017-9112

Vulnerability identifier: #VU20316

CSH Severity: Low

CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2017-9112

CWE-ID: CWE-125

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in getBits function in ImfHuf.cpp. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

OpenEXR
openexr (Ubuntu package)
mingw-openexr
OpenEXR
OpenEXR-devel
OpenEXR-debuginfo
OpenEXR-libs
OpenEXR-debugsource
Slackware Linux
openEuler
Fedora

Install updates from vendor's website.

OpenEXR - update to 2.3.0
openexr (Ubuntu package) - addressed in versions 2.2.0-10ubuntu2.1, 2.2.0-11.1ubuntu1.1, 2.2.1-4.1ubuntu0.1
mingw-openexr - addressed in versions 2.2.0-6.fc26, 2.2.0-7.fc27
OpenEXR - update to 2.2.0-18
OpenEXR-devel - update to 2.2.0-18
OpenEXR-debuginfo - update to 2.2.0-18
OpenEXR-libs - update to 2.2.0-18
OpenEXR-debugsource - update to 2.2.0-18

• http://www.openwall.com/lists/oss-security/2017/05/12/5

• Slackware Linux update for openexr
• Ubuntu update for OpenEXR
• openEuler update for OpenEXR
• Fedora 27 update for mingw-OpenEXR
• Fedora 26 update for mingw-OpenEXR