SB2025031302 - Ubuntu update for jinja2

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Main Vulnerability Database SB2025031302

SB2025031302 - Ubuntu update for jinja2

Published: March 13, 2025

Security Bulletin ID SB2025031302
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 vulnerabilities.


1) Security features bypass (CVE-ID: CVE-2024-56201)

CWE-ID: CWE-254 - Security Features

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to bypass sandbox restrictions.

The vulnerability exists due to improper validation of user-supplied input.  A local user with the ability to control both the filename and the contents of a template can bypass sandbox restrictions.


2) Security features bypass (CVE-ID: CVE-2024-56326)

CWE-ID: CWE-254 - Security Features

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to bypass sandbox restrictions.

The vulnerability exists in the way the Jinja sandboxed environment detects calls to str.format.  A local user with the ability to control the contents of a template can bypass sandbox restrictions.

3) Input validation error (CVE-ID: CVE-2025-27516)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to sandbox breakout through attr filter selecting format method. A local user can execute arbitrary code on the system.


Remediation

Install update from vendor's website.

References