USN-7158-1: Smarty vulnerabilities

Releases

• Ubuntu 24.10
• Ubuntu 24.04 LTS
• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM

Packages

• smarty3 - The compiling PHP template engine

Details

It was discovered that Smarty incorrectly handled query parameters in
requests. An attacker could possibly use this issue to inject arbitrary
Javascript code, resulting in denial of service or potential execution of
arbitrary code. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04
LTS, Ubuntu 22.04 LTS and Ubuntu 24.04 LTS.
(CVE-2018-25047, CVE-2023-28447)

It was discovered that Smarty did not properly sanitize user input when
generating templates. An attacker could, through PHP injection, possibly
use this issue to execute arbitrary code. (CVE-2024-35226)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 24.10

• smarty3 - 3.1.48-1ubuntu0.24.10.1

Ubuntu 24.04

• smarty3 - 3.1.48-1ubuntu0.24.04.1

Ubuntu 22.04

• smarty3 - 3.1.39-2ubuntu1.22.04.2

Ubuntu 20.04

• smarty3 - 3.1.34+20190228.1.c9f0de05+selfpack1-1ubuntu0.1

Ubuntu 18.04

• smarty3 - 3.1.31+20161214.1.c7d42e4+selfpack1-3ubuntu0.1+esm1
  Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References

• CVE-2023-28447
• CVE-2018-25047
• CVE-2024-35226

Related notices

• USN-6550-1