漏洞信息
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Vulnerability Title
LobeChat < 2.2.10-canary.15 - Regular Expression Denial of Service in GitHub Skill Import
Vulnerability Description
LobeChat before version 2.2.10-canary.15 contains a regular expression denial of service (ReDoS) vulnerability that allows authenticated attackers to block the Node.js event loop by supplying a catastrophic-backtracking pattern in a GitHub repository URL path during skill import. Attackers can craft a malicious basePath value containing unescaped regex metacharacters such as catastrophic-backtracking patterns, which are injected into a dynamically constructed regular expression in the findSkillMd function and executed synchronously against archive entries, denying service to all concurrent users for tens of seconds per request.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
CWE-1333
Vulnerability Title
LobeHub 资源管理错误漏洞
Vulnerability Description
LobeHub是LobeHub团队开源的一个全平台AI对话框架。 LobeHub 2.2.10-canary.15之前版本存在资源管理错误漏洞,该漏洞源于在技能导入期间对GitHub仓库URL路径中的正则表达式元字符处理不当,导致findSkillMd函数中动态构造的正则表达式存在正则表达式拒绝服务(ReDoS)问题,认证攻击者可通过提供灾难性回溯模式利用该漏洞,导致Node.js事件循环阻塞,拒绝服务持续数十秒。
CVSS Information
N/A
Vulnerability Type
N/A