Debian DLA-2995-1 : smarty3 - LTS security update

high Nessus Plugin ID 160680

Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the dla-2995 advisory.

- Smarty is a template engine for PHP, facilitating the separation of presentation (HTML/CSS) from application logic. Prior to versions 3.1.43 and 4.0.3, template authors could run restricted static php methods. Users should upgrade to version 3.1.43 or 4.0.3 to receive a patch. (CVE-2021-21408)

- Smarty is a template engine for PHP, facilitating the separation of presentation (HTML/CSS) from application logic. Prior to versions 3.1.42 and 4.0.2, template authors could run arbitrary PHP code by crafting a malicious math string. If a math string was passed through as user provided data to the math function, external users could run arbitrary PHP code by crafting a malicious math string. Users should upgrade to version 3.1.42 or 4.0.2 to receive a patch. (CVE-2021-29454)

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

Solution

Upgrade the smarty3 packages.

For Debian 9 stretch, these problems have been fixed in version 3.1.31+20161214.1.c7d42e4+selfpack1-2+deb9u5.

See Also

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1010375

https://security-tracker.debian.org/tracker/source-package/smarty3

https://www.debian.org/lts/security/2022/dla-2995

https://security-tracker.debian.org/tracker/CVE-2021-21408

https://security-tracker.debian.org/tracker/CVE-2021-29454

https://packages.debian.org/source/stretch/smarty3

Plugin Details

Severity: High

ID: 160680

File Name: debian_DLA-2995.nasl

Version: 1.2

Type: local

Agent: unix

Published: 5/6/2022

Updated: 5/6/2022

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 4.8

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS Score Source: CVE-2021-29454

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:smarty3, cpe:/o:debian:debian_linux:9.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 5/5/2022

Vulnerability Publication Date: 1/10/2022

Reference Information

CVE: CVE-2021-21408, CVE-2021-29454