漏洞信息
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Vulnerability Title
TOON: Prototype pollution when decoding untrusted TOON input
Vulnerability Description
TOON is a compact, human-readable serialization of JSON data for LLM prompts. Prior to 2.3.1, decoding attacker-controlled TOON with a __proto__, constructor, or prototype key wrote through the object prototype chain instead of creating an own property, polluting Object.prototype for the runtime. In packages/toon/src/decode/expand.ts, the expandPaths: 'safe' path and insertPathSafe function made dotted keys such as a.__proto__.x the strongest vector, while plain nested objects, tabular rows, quoted keys, and streaming decode were also affected. The encoder also dropped own __proto__ properties and could invoke an inherited setter during normalization. Services that decode untrusted TOON could experience denial of service or, when a suitable downstream gadget is present, remote code execution. This issue is fixed in version 2.3.1.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
Vulnerability Type
CWE-1321
Vulnerability Title
TOON Token-Oriented Object Notation 输入验证错误漏洞
Vulnerability Description
TOON Token-Oriented Object Notation是TOON组织的一种以令牌为核心的对象符号表示法。 TOON Token-Oriented Object Notation 2.3.1之前版本存在输入验证错误漏洞,该漏洞源于解码带有__proto__、constructor或prototype键的攻击者控制的TOON时,会通过对象原型链写入而非创建自有属性,导致Object.prototype被污染,可能造成拒绝服务或远程代码执行。
CVSS Information
N/A
Vulnerability Type
N/A