1) Input validation error

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2011-1028

CWE-ID: CWE-20 - Improper Input Validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Smarty: 3.0.0, 3.0.1, 3.0.2, 3.0.3, 3.0.4, 3.0.5, 3.0.6

CPE

• cpe:2.3:a:smarty_php_net:smarty:3.0.0:*:*:*:*::*:*
• cpe:2.3:a:smarty_php_net:smarty:3.0.1:*:*:*:*::*:*
• cpe:2.3:a:smarty_php_net:smarty:3.0.2:*:*:*:*::*:*
• cpe:2.3:a:smarty_php_net:smarty:3.0.3:*:*:*:*::*:*
• cpe:2.3:a:smarty_php_net:smarty:3.0.4:*:*:*:*::*:*
• cpe:2.3:a:smarty_php_net:smarty:3.0.5:*:*:*:*::*:*
• cpe:2.3:a:smarty_php_net:smarty:3.0.6:*:*:*:*::*:*

External links

https://access.redhat.com/security/cve/cve-2011-1028
https://seclists.org/oss-sec/2011/q1/313
https://security-tracker.debian.org/tracker/CVE-2011-1028

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.