CVE-2021-20303
Published: 4 March 2022
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.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
openexr Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
| focal |
Needs triage
|
|
| groovy |
Ignored
(reached end-of-life)
|
|
| hirsute |
Not vulnerable
(2.5.4-1)
|
|
| impish |
Not vulnerable
(2.5.4-2)
|
|
| jammy |
Not vulnerable
(2.5.7-1)
|
|
| kinetic |
Not vulnerable
(2.5.7-1)
|
|
| lunar |
Not vulnerable
(2.5.7-1)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(2.5.4-1)
|
|
| xenial |
Needs triage
|
|
|
Patches: upstream: https://github.com/AcademySoftwareFoundation/openexr/pull/831/commits/901059f541acf3013efbbb819035f4a01de8d43e upstream: https://github.com/AcademySoftwareFoundation/openexr/pull/831/commits/a03aafb6bb1cd29a6cbd8d7e6434ad4c2b23b935 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.1 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | Low |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H |