漏洞信息
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Vulnerability Title
Python Liquid: Infinite loop when parsing malformed `{% case %}` tags
Vulnerability Description
Python Liquid is a Python engine for the Liquid template language. Prior to 2.2.1, given a malformed {% case %} tag without an associated {% when %} or {% else %} block and no terminating {% endcase %} tag, Python Liquid hangs in an infinite loop at parse time because liquid.TokenStream.eof did not give the EOF token matching kind and value fields, allowing malicious template authors to craft templates for a denial of service attack. This issue is fixed in version 2.2.1.
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Vulnerability Type
不可达退出条件的循环(无限循环)
Vulnerability Title
jg-rp liquid 资源管理错误漏洞
Vulnerability Description
jg-rp liquid是jg-rp的流式编程框架。 jg-rp liquid 2.2.1之前版本存在资源管理错误漏洞,该漏洞源于liquid.TokenStream.eof未正确返回EOF令牌,导致畸形{% case %}标签在解析时进入无限循环,允许恶意模板作者构造模板发起拒绝服务攻击。
CVSS Information
N/A
Vulnerability Type
N/A