CVE-2021-22118
Published: 27 May 2021
In Spring Framework, versions 5.2.x prior to 5.2.15 and versions 5.3.x prior to 5.3.7, a WebFlux application is vulnerable to a privilege escalation: by (re)creating the temporary storage directory, a locally authenticated malicious user can read or modify files that have been uploaded to the WebFlux application, or overwrite arbitrary files with multipart request data.
Notes
| Author | Note |
|---|---|
| seth-arnold | I didn't find code in our packages that looks like the patch. |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
libspring-java Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
|
| focal |
Not vulnerable
|
|
| groovy |
Not vulnerable
|
|
| hirsute |
Not vulnerable
|
|
| impish |
Not vulnerable
|
|
| jammy |
Not vulnerable
|
|
| kinetic |
Not vulnerable
|
|
| lunar |
Not vulnerable
|
|
| mantic |
Not vulnerable
|
|
| trusty |
Not vulnerable
|
|
| upstream |
Released
(5.2.15, 5.3.7)
|
|
| xenial |
Needed
|
|
|
Patches: upstream: https://github.com/spring-projects/spring-framework/commit/0d0d75e25322d8161002d861fff3ec04ba8be5ac |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |