Update dependency jinja2 to v3.1.5 [SECURITY]

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
jinja2 (changelog)	3.1.4 -> 3.1.5

GitHub Vulnerability Alerts

CVE-2024-56201

A bug in the Jinja compiler allows an attacker that controls both the content and filename of a template to execute arbitrary Python code, regardless of if Jinja's sandbox is used.

To exploit the vulnerability, an attacker needs to control both the filename and the contents of a template. Whether that is the case depends on the type of application using Jinja. This vulnerability impacts users of applications which execute untrusted templates where the template author can also choose the template filename.

CVE-2024-56326

An oversight in how the Jinja sandboxed environment detects calls to str.format allows an attacker that controls the content of a template to execute arbitrary Python code.

To exploit the vulnerability, an attacker needs to control the content of a template. Whether that is the case depends on the type of application using Jinja. This vulnerability impacts users of applications which execute untrusted templates.

Jinja's sandbox does catch calls to str.format and ensures they don't escape the sandbox. However, it's possible to store a reference to a malicious string's format method, then pass that to a filter that calls it. No such filters are built-in to Jinja, but could be present through custom filters in an application. After the fix, such indirect calls are also handled by the sandbox.

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Release Notes

pallets/jinja (jinja2)

v3.1.5

Compare Source

Unreleased

• Calling sync render for an async template uses asyncio.run.
  :pr:1952
• Avoid unclosed auto_aiter warnings. :pr:1960
• Return an aclose-able AsyncGenerator from
  Template.generate_async. :pr:1960
• Avoid leaving root_render_func() unclosed in
  Template.generate_async. :pr:1960
• Avoid leaving async generators unclosed in blocks, includes and extends.
  :pr:1960

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