| Name | CVE-2021-21702 |
| Description | In PHP versions 7.3.x below 7.3.27, 7.4.x below 7.4.15 and 8.0.x below 8.0.2, when using SOAP extension to connect to a SOAP server, a malicious SOAP server could return malformed XML data as a response that would cause PHP to access a null pointer and thus cause a crash. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DSA-4856-1 |
| NVD severity | medium |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| php7.0 (PTS) | stretch | 7.0.33-0+deb9u8 | vulnerable |
| stretch (security) | 7.0.33-0+deb9u10 | vulnerable |
| php7.3 (PTS) | buster | 7.3.19-1~deb10u1 | vulnerable |
| buster (security) | 7.3.27-1~deb10u1 | fixed |
| php7.4 (PTS) | bullseye | 7.4.15-1 | fixed |
| sid | 7.4.15-5+deb11u1 | fixed |
| php8.0 (PTS) | sid | 8.0.2-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| php7.0 | source | (unstable) | (unfixed) | | | |
| php7.3 | source | buster | 7.3.27-1~deb10u1 | | DSA-4856-1 | |
| php7.3 | source | (unstable) | (unfixed) | | | |
| php7.4 | source | (unstable) | 7.4.15-1 | | | |
| php8.0 | source | (unstable) | 8.0.2-1 | | | |
Notes
[stretch] - php7.0 <postponed> (Relatively minor issue, can be fixed with next update)
Fixed in PHP 8.0.2, 7.4.15, 7.3.27
PHP Bug: https://bugs.php.net/80672