CVE-2011-1028: Input Validation
First published: Wed Nov 20 2019(Updated: )
The `$smarty.template` variable in Smarty3 allows attackers to possibly execute arbitrary PHP code via the `sysplugins/smarty_internal_compile_private_special_variable.php` file.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/smarty/smarty | <3.0.7 | 3.0.7 |
| debian/smarty3 | 3.1.39-2+deb11u1 3.1.47-2 3.1.48-1 | |
| Smarty | >=3.0.0<3.0.7 | |
| Debian Linux | =8.0 | |
| Debian Linux | =9.0 | |
| Debian Linux | =10.0 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2011-1028
- https://seclists.org/oss-sec/2011/q1/313
- https://security-tracker.debian.org/tracker/CVE-2011-1028
- https://github.com/smarty-php/smarty/commit/0154f17de2b2dd16ff9c016923015ac19af9c0cb
- https://web.archive.org/web/20110609032516/http://smarty-php.googlecode.com/svn/trunk/distribution/change_log.txt
- https://www.smarty.net/forums/viewtopic.php?t=18815
- https://github.com/advisories/GHSA-6frx-2r5w-c524 (Advisory)
- https://access.redhat.com/security/cve/cve-2011-1028
Frequently Asked Questions
What is the severity of CVE-2011-1028?
CVE-2011-1028 has been classified with high severity due to the potential for arbitrary PHP code execution.
How do I fix CVE-2011-1028?
To fix CVE-2011-1028, update Smarty to version 3.0.7 or later.
Which versions are affected by CVE-2011-1028?
CVE-2011-1028 affects Smarty versions prior to 3.0.7 and specific Debian Linux versions including 8.0, 9.0, and 10.0.
What is the impact of CVE-2011-1028?
The impact of CVE-2011-1028 allows attackers to execute arbitrary PHP code, leading to potential system compromise.
Is there a workaround for CVE-2011-1028?
As a temporary workaround for CVE-2011-1028, avoid using the vulnerable $smarty.template variable until you can apply the fix.
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