CVE-2021-21706
Published: 4 October 2021
In PHP versions 7.3.x below 7.3.31, 7.4.x below 7.4.24 and 8.0.x below 8.0.11, in Microsoft Windows environment, ZipArchive::extractTo may be tricked into writing a file outside target directory when extracting a ZIP file, thus potentially causing files to be created or overwritten, subject to OS permissions.
Notes
Author | Note |
---|---|
seth-arnold | Affects Windows |
Priority
Status
Package | Release | Status |
---|---|---|
php5 Launchpad, Ubuntu, Debian |
jammy |
Does not exist
|
impish |
Does not exist
|
|
bionic |
Does not exist
|
|
focal |
Does not exist
|
|
hirsute |
Does not exist
|
|
trusty |
Not vulnerable
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
php7.0 Launchpad, Ubuntu, Debian |
jammy |
Does not exist
|
impish |
Does not exist
|
|
bionic |
Does not exist
|
|
trusty |
Does not exist
|
|
xenial |
Not vulnerable
|
|
focal |
Does not exist
|
|
hirsute |
Does not exist
|
|
upstream |
Needs triage
|
|
php7.2 Launchpad, Ubuntu, Debian |
impish |
Does not exist
|
jammy |
Does not exist
|
|
bionic |
Not vulnerable
|
|
focal |
Does not exist
|
|
hirsute |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
php7.4 Launchpad, Ubuntu, Debian |
impish |
Does not exist
|
jammy |
Does not exist
|
|
bionic |
Does not exist
|
|
focal |
Not vulnerable
|
|
hirsute |
Not vulnerable
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
php8.0 Launchpad, Ubuntu, Debian |
impish |
Not vulnerable
|
jammy |
Does not exist
|
|
xenial |
Does not exist
|
|
bionic |
Does not exist
|
|
focal |
Does not exist
|
|
hirsute |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
php8.1 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
focal |
Does not exist
|
|
groovy |
Does not exist
|
|
hirsute |
Does not exist
|
|
impish |
Does not exist
|
|
jammy |
Not vulnerable
(8.1.0-1)
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | High |
Availability impact | None |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |