Input validation error in smarty.php.net Smarty

1) Input validation error

EUVDB-ID: #VU30595

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

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 - 3.0.6

CPE2.3

• 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.