Vulnerability Information
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Vulnerability Title
Jinja sandbox breakout through attr filter selecting format method
Vulnerability Description
Jinja is an extensible templating engine. Prior to 3.1.6, an oversight in how the Jinja sandboxed environment interacts with the |attr filter 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 use the |attr filter to get a reference to a string's plain format method, bypassing the sandbox. After the fix, the |attr filter no longer bypasses the environment's attribute lookup. This vulnerability is fixed in 3.1.6.
CVSS Information
N/A
Vulnerability Type
CWE-1336
Vulnerability Title
Jinja 安全漏洞
Vulnerability Description
Jinja是Pallets开源的一个快速、富有表现力且可扩展的模板引擎。 Jinja 3.1.6之前版本存在安全漏洞，该漏洞源于属性过滤器绕过沙箱，导致执行任意代码。
CVSS Information
N/A
Vulnerability Type
N/A