NULL pointer dereference in OpenEXR - CVE-2020-15304
Published: July 21, 2020
Vulnerability identifier: #VU31713
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-15304
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in "TiledInputFile::TiledInputFile()" in "IlmImf/ImfTiledInputFile.cpp". A local user can perform a denial of service (DoS) attack.
Affected software
OpenEXR
Gentoo Linux
Opensuse
Fedora
openexr (Alpine package)
mingw-openexr
Gentoo Linux
Opensuse
Fedora
openexr (Alpine package)
mingw-openexr
How to mitigate CVE-2020-15304
Install update from vendor's website.
OpenEXR - update to 2.5.2
mingw-openexr - addressed in versions 2.3.0-4.fc31, 2.4.1-2.fc32
mingw-openexr - addressed in versions 2.3.0-4.fc31, 2.4.1-2.fc32
External References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00025.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00048.html
- https://github.com/AcademySoftwareFoundation/openexr/blob/master/CHANGES.md
- https://github.com/AcademySoftwareFoundation/openexr/blob/master/SECURITY.md
- https://github.com/AcademySoftwareFoundation/openexr/pull/727
- https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v2.5.2
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LKDRVXORM2VLNHRLFKS3JHRABSHZ5W5M/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SHYAKRAUEMYVCV7U5WLDRE2YFGSV5PIT/