CVE-2021-3962
Published: 19 November 2021
A flaw was found in ImageMagick where it did not properly sanitize certain input before using it to invoke convert processes. This flaw allows an attacker to create a specially crafted image that leads to a use-after-free vulnerability when processed by ImageMagick. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Notes
| Author | Note |
|---|---|
| mdeslaur | only affects 7.x |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
imagemagick Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code not present, 7.x only)
|
| focal |
Not vulnerable
(code not present, 7.x only)
|
|
| hirsute |
Not vulnerable
(code not present, 7.x only)
|
|
| impish |
Not vulnerable
(code not present, 7.x only)
|
|
| jammy |
Not vulnerable
(code not present, 7.x only)
|
|
| trusty |
Ignored
(end of standard support)
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(code not present, 7.x only)
|
|
|
Patches: upstream: https://github.com/ImageMagick/ImageMagick/commit/82775af03bbb10a0a1d0e15c0156c75673b4525e |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |