USN-5348-2: smarty3 Ubuntu
Vulnerability summary
USN-5348-2 is a vulnerability in smarty3 Ubuntu with no CVSS score yet.
Advisory lineage
Upstream 4 · Downstream 0 · Related 4Timeline
- 28-03-2022PublishedVulnerability first disclosed.
- 25-06-2026Last modifiedVulnerability information updated.
Description
smarty3 vulnerabilities USN-5348-1 fixed several vulnerabilities in Smarty. This update provides the fixes for CVE-2021-21408, CVE-2021-26119, CVE-2021-26120 and CVE-2021-29454 for Ubuntu 16.04 ESM. Original advisory details: 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)
CVSS metrics
Risk metrics not yet published.
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Ubuntu1 product
- smarty3< 3.1.21-1ubuntu1+esm1
1 vendor · 1 product