CVE-2021-21707
Published: 29 November 2021
In PHP versions 7.3.x below 7.3.33, 7.4.x below 7.4.26 and 8.0.x below 8.0.13, certain XML parsing functions, like simplexml_load_file(), URL-decode the filename passed to them. If that filename contains URL-encoded NUL character, this may cause the function to interpret this as the end of the filename, thus interpreting the filename differently from what the user intended, which may lead it to reading a different file than intended.
Priority
Low
CVSS 3 base score: 5.3
Status
| Package | Release | Status |
|---|---|---|
|
php5 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| focal |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| impish |
Does not exist
|
|
| jammy |
Does not exist
|
|
| trusty |
Needed
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
|
php7.0 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| focal |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| impish |
Does not exist
|
|
| jammy |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needed
|
|
| xenial |
Released
(7.0.33-0ubuntu0.16.04.16+esm3)
|
|
|
php7.2 Launchpad, Ubuntu, Debian |
bionic |
Released
(7.2.24-0ubuntu0.18.04.11)
|
| focal |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| impish |
Does not exist
|
|
| jammy |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
|
php7.4 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| focal |
Released
(7.4.3-4ubuntu2.10)
|
|
| hirsute |
Ignored
(reached end-of-life)
|
|
| impish |
Does not exist
|
|
| jammy |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(7.4.26)
|
|
| xenial |
Does not exist
|
|
|
php8.0 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| focal |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| impish |
Released
(8.0.8-1ubuntu0.3)
|
|
| jammy |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(8.0.13)
|
|
| xenial |
Does not exist
|
|
|
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)
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
Notes
| Author | Note |
|---|---|
| sbeattie | PEAR issues should go against php-pear as of xenial |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21707
- https://ubuntu.com/security/notices/USN-5300-1
- https://ubuntu.com/security/notices/USN-5300-2
- https://ubuntu.com/security/notices/USN-5300-3
- NVD
- Launchpad
- Debian