Vulnerabilities > CVE-2021-20303
Attack vector
LOCAL Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
LOW Availability impact
HIGH Summary
A flaw found in function dataWindowForTile() of IlmImf/ImfTiledMisc.cpp. An attacker who is able to submit a crafted file to be processed by OpenEXR could trigger an integer overflow, leading to an out-of-bounds write on the heap. The greatest impact of this flaw is to application availability, with some potential impact to data integrity as well.
Vulnerable Configurations
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25505
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25505
- https://bugzilla.redhat.com/show_bug.cgi?id=1939151
- https://bugzilla.redhat.com/show_bug.cgi?id=1939151
- https://github.com/AcademySoftwareFoundation/openexr/pull/831
- https://github.com/AcademySoftwareFoundation/openexr/pull/831
- https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html
- https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html