There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - Smarty_Security::isTrustedResourceDir() in Smarty before 3.1.33 is prone to a path traversal vulnerability
    due to insufficient template code sanitization. This allows attackers controlling the executed template
    code to bypass the trusted directory security restriction and read arbitrary files. (CVE-2018-13982)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5348-1 advisory.

    David Gnedt and Thomas Konrad discovered that Smarty was incorrectly sanitizing the paths present in the     templates. An attacker could possibly use this use to read arbitrary files when controlling the executed     template. (CVE-2018-13982)

    It was discovered that Smarty was incorrectly sanitizing the paths present in the templates. An attacker     could possibly use this use to read arbitrary files when controlling the executed template.
    (CVE-2018-16831)

    It was discovered that Smarty was incorrectly validating security policy data, allowing the execution of     static classes even when not permitted by the security settings. An attacker could possibly use this issue     to execute arbitrary code. (CVE-2021-21408)

    It was discovered that Smarty was incorrectly managing access control to template objects, which allowed     users to perform a sandbox escape. An attacker could possibly use this issue to send specially crafted     input to applications that use Smarty and execute arbitrary code. (CVE-2021-26119)

    It was discovered that Smarty was not checking for special characters when setting function names during     plugin compile operations. An attacker could possibly use this issue to send specially crafted input to     applications that use Smarty and execute arbitrary code. (CVE-2021-26120)

    It was discovered that Smarty was incorrectly sanitizing characters in math strings processed by the math     function. An attacker could possibly use this issue to send specially crafted input to applications that     use Smarty and execute arbitrary code. (CVE-2021-29454)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The security update of smarty3, the compiling PHP template engine, issued as DLA 2618-1 introduced a regression in the smarty_security class when secure directories are evaluated. Updated smarty3 packages are now available to correct this issue. 

For Debian 9 stretch, this problem has been fixed in version 3.1.31+20161214.1.c7d42e4+selfpack1-2+deb9u4.

We recommend that you upgrade your smarty3 packages.

For the detailed security status of smarty3 please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/smarty3

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

===== 3.1.33 release ===== 12.09.2018

===== 3.1.33-dev-12 =====

03.09.2018

  - bugfix {foreach} using new style property access like     {$item@property} on Smarty 2 style named foreach loop     could produce errors     https://github.com/smarty-php/smarty/issues/484

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Published	Updated	Severity
432047	SCA: security update for smarty/smarty (GHSA-7gfx-wxfh-7rvm)	Tenable Cloud Security	SCA Checks	8/7/2025	7/2/2026	high
432047	SCA: security update for smarty/smarty (GHSA-7gfx-wxfh-7rvm)	Tenable Self-Hosted Container Security	SCA Checks	8/7/2025	7/2/2026	high
159268	Ubuntu 18.04 LTS : Smarty vulnerabilities (USN-5348-1)	Nessus	Ubuntu Local Security Checks	3/28/2022	8/27/2024	critical
148323	Debian DLA-2618-3 : smarty3 regression update	Nessus	Debian Local Security Checks	4/6/2021	1/12/2024	high
122684	Fedora 29 : php-Smarty (2019-e595e8a7d7)	Nessus	Fedora Local Security Checks	3/8/2019	6/14/2024	critical
122683	Fedora 28 : php-Smarty (2019-d248c5aa39)	Nessus	Fedora Local Security Checks	3/8/2019	6/14/2024	critical

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