| Name | CVE-2016-1904 |
| Description | Multiple integer overflows in ext/standard/exec.c in PHP 7.x before 7.0.2 allow remote attackers to cause a denial of service or possibly have unspecified other impact via a long string to the (1) php_escape_shell_cmd or (2) php_escape_shell_arg function, leading to a heap-based buffer overflow. |
| 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 | fixed |
| php7.0 (PTS) | stretch (security) | 7.0.33-0+deb9u12 | fixed |
| stretch (lts), stretch | 7.0.33-0+deb9u19 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| php5 | source | (unstable) | (not affected) | | | |
| php5.6 | source | (unstable) | (not affected) | | | |
| php7.0 | source | (unstable) | 7.0.2-1 | | | |
Notes
- php5 <not-affected> (Vulnerable code not present)
- php5.6 <not-affected> (Vulnerable code not present)
Already using safe_emalloc() in php_escape_shell_cmd()
https://bugs.php.net/bug.php?id=71270
https://github.com/php/php-src/commit/2871c70efaaaa0f102557a17c727fd4d5204dd4b