#VU101971 Security features bypass in Jinja - CVE-2024-56201

Vulnerability identifier: #VU101971

Vulnerability risk: Low

CVSSv4.0: 5.9 [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]

CVE-ID: CVE-2024-56201

CWE-ID: CWE-254

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Jinja
Web applications / Modules and components for CMS

Vendor: The Pallets Projects

Description

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Jinja: 2.0 - 3.1.4

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External links
https://github.com/pallets/jinja/commit/767b23617628419ae3709ccfb02f9602ae9fe51f
https://github.com/pallets/jinja/issues/1792
https://github.com/pallets/jinja/releases/tag/3.1.5
https://github.com/pallets/jinja/security/advisories/GHSA-gmj6-6f8f-6699

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.