Code Injection in Smarty - CVE-2024-35226

Vulnerability identifier: #VU89862

CSH Severity: High

CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-35226

CWE-ID: CWE-94

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to execute arbitrary PHP code on the target system.

The vulnerability exists due to improper input validation when handling "extends-tag" attribute. Template authors can inject and execute arbitrary PHP code by choosing a malicious file name for an extends-tag.

Smarty
Debian Linux
Ubuntu
Storage Sentinel Anomaly Scan Engine
smarty3 (Ubuntu package)
smarty4 (Ubuntu package)
smarty3 (Debian package)
smarty4 (Debian package)

Install updates from vendor's website.

Smarty - addressed in versions 4.5.3, 5.2.0
Storage Sentinel Anomaly Scan Engine - update to 1.1.12
smarty3 (Ubuntu package) - addressed in versions Ubuntu Pro, 3.1.34+20190228.1.c9f0de05+selfpack1-1ubuntu0.1, 3.1.39-2ubuntu1.22.04.2, 3.1.48-1ubuntu0.24.04.1, 3.1.48-1ubuntu0.24.10.1
smarty4 (Ubuntu package) - addressed in versions Ubuntu Pro, 4.3.1-1ubuntu0.24.10.1
smarty3 (Debian package) - update to 3.1.47-2+deb12u1
smarty4 (Debian package) - update to 4.3.0-1+deb12u2

• https://github.com/smarty-php/smarty/security/advisories/GHSA-4rmg-292m-wg3w
• https://github.com/smarty-php/smarty/commit/0be92bc8a6fb83e6e0d883946f7e7c09ba4e857a

• PHP code injection in Smarty
• Debian update for smarty3
• Ubuntu update for smarty3
• Debian update for smarty4
• Ubuntu update for smarty4
• Multiple vulnerabilities in IBM Storage Sentinel Anomaly Scan Engine