CVE-2018-13982: Path Traversal
First published: Thu Apr 26 2018(Updated: )
`Smarty_Security::isTrustedResourceDir()` in Smarty before 3.1.33 is prone to a path traversal vulnerability due to insufficient template code sanitization. This allows attackers controlling the executed template code to bypass the trusted directory security restriction and read arbitrary files.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/smarty/smarty | <3.1.33 | |
| composer/smarty/smarty | <3.1.33 | 3.1.33 |
| Smarty | <3.1.33 | |
| Debian | =9.0 |
Remedy
https://github.com/sbaresearch/advisories/tree/public/2018/SBA-ADV-20180420-01_Smarty_Path_Traversal
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Reference Links
- https://github.com/sbaresearch/advisories/tree/public/2018/SBA-ADV-20180420-01_Smarty_Path_Traversal
- https://nvd.nist.gov/vuln/detail/CVE-2018-13982
- https://github.com/smarty-php/smarty/commit/2e081a51b1effddb23f87952959139ac62654d50
- https://github.com/smarty-php/smarty/commit/8d21f38dc35c4cd6b31c2f23fc9b8e5adbc56dfe
- https://github.com/smarty-php/smarty/commit/bcedfd6b58bed4a7366336979ebaa5a240581531
- https://github.com/smarty-php/smarty/commit/c9dbe1d08c081912d02bd851d1d1b6388f6133d1
- https://github.com/smarty-php/smarty/commit/f9ca3c63d1250bb56b2bda609dcc9dd81f0065f8
- https://lists.debian.org/debian-lts-announce/2021/04/msg00004.html
- https://lists.debian.org/debian-lts-announce/2021/04/msg00014.html
- https://lists.debian.org/debian-lts-announce/2021/10/msg00015.html
- https://github.com/advisories/GHSA-7gfx-wxfh-7rvm (Advisory)
- https://github.com/FriendsOfPHP/security-advisories/blob/master/smarty/smarty/CVE-2018-13982.yaml
Frequently Asked Questions
What is the severity of CVE-2018-13982?
CVE-2018-13982 is classified as a high severity vulnerability due to its potential for arbitrary file access.
How do I fix CVE-2018-13982?
To fix CVE-2018-13982, upgrade Smarty to version 3.1.33 or later.
What types of attacks can exploit CVE-2018-13982?
CVE-2018-13982 can be exploited for path traversal attacks allowing attackers to read sensitive files on the server.
Which versions of Smarty are affected by CVE-2018-13982?
Smarty versions prior to 3.1.33 are affected by CVE-2018-13982.
What is the impact of CVE-2018-13982 on data security?
The impact of CVE-2018-13982 includes potential unauthorized access to sensitive files, leading to data breaches.
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