| Name | CVE-2017-7189 |
| Description | main/streams/xp_socket.c in PHP 7.x before 2017-03-07 misparses fsockopen calls, such as by interpreting fsockopen('127.0.0.1:80', 443) as if the address/port were 127.0.0.1:80:443, which is later truncated to 127.0.0.1:80. This behavior has a security risk if the explicitly provided port number (i.e., 443 in this example) is hardcoded into an application as a security policy, but the hostname argument (i.e., 127.0.0.1:80 in this example) is obtained from untrusted input. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| php5 (PTS) | jessie, jessie (lts) | 5.6.40+dfsg-0+deb8u21 | vulnerable |
| php7.0 (PTS) | stretch (security) | 7.0.33-0+deb9u12 | vulnerable |
| stretch (lts), stretch | 7.0.33-0+deb9u19 | vulnerable |
| php7.3 (PTS) | buster, buster (lts) | 7.3.31-1~deb10u8 | vulnerable |
| buster (security) | 7.3.31-1~deb10u7 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| php5 | source | (unstable) | (unfixed) | | | |
| php7.0 | source | (unstable) | (unfixed) | | | |
| php7.3 | source | (unstable) | (unfixed) | | | |
Notes
[buster] - php7.3 <ignored> (Upstream patch breaks existing applications, was reverted again, revisit if a new approach has been identified)
[stretch] - php7.0 <ignored> (Upstream patch breaks existing applications, was reverted again, revisit if a new approach has been identified)
[jessie] - php5 <ignored> (Upstream patch breaks existing applications, was reverted again, revisit if a new approach has been identified)
PHP Bug: https://bugs.php.net/bug.php?id=74192
https://github.com/php/php-src/commit/bab0b99f376dac9170ac81382a5ed526938d595a
The commit was later on reverted again because of breaking some features.
See as well the related CVE-2017-7272.
[wheezy] - php5 <ignored> (patch was applied for CVE-2017-7272, reverting it now is not useful, no regressions were reported for ELTS. Revisit if upstream identifies a better approach.)