| Name | CVE-2018-16831 |
| Description | Smarty before 3.1.33-dev-4 allows attackers to bypass the trusted_dir protection mechanism via a file:./../ substring in an include statement. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2618-1 |
| Debian Bugs | 908698 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| smarty3 (PTS) | jessie, jessie (lts) | 3.1.21-1+deb8u2 | fixed |
| stretch (security), stretch (lts), stretch | 3.1.31+20161214.1.c7d42e4+selfpack1-2+deb9u6 | fixed |
| buster | 3.1.33+20180830.1.3a78a21f+selfpack1-1+deb10u1 | fixed |
| buster (security) | 3.1.33+20180830.1.3a78a21f+selfpack1-1+deb10u2 | fixed |
| bullseye (security), bullseye | 3.1.39-2+deb11u1 | fixed |
| bookworm | 3.1.47-2 | fixed |
| trixie, sid | 3.1.48-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| smarty3 | source | wheezy | (unfixed) | end-of-life | | |
| smarty3 | source | jessie | (not affected) | | | |
| smarty3 | source | stretch | 3.1.31+20161214.1.c7d42e4+selfpack1-2+deb9u2 | | DLA-2618-1 | |
| smarty3 | source | (unstable) | 3.1.33+20180830.1.3a78a21f+selfpack1-1 | | | 908698 |
Notes
[jessie] - smarty3 <not-affected> (vulnerable code not present)
https://github.com/smarty-php/smarty/issues/486
CVE is about the include tag as an attack vector.
vulnerable code introduced in realpath() rewrite (c09b05cbe) released in 3.1.28