| 标题 | Apereo CAS v5.2.6 ReDos regular expression engine denial of service |
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| 描述 | 1.Vulnerability Name:
Apereo CAS application has a ReDos regular expression engine denial of service vulnerability.
2.Vulnerability level : Medium.
3.Vulnerability discoverer and contributor:蔡超雄 (caichaoxiong)
4.Vulnerability Description
The query parameters of the Apereo CAS v5.2.6 management console (cas-management) are controllable, and malicious attackers can use carefully constructed regular expressions to exhaust server resources .
5.Vulnerability Risk
Sending a large number of requests with malicious regular expressions will cause all threads in the thread pool to execute regular expression matching, consuming a large amount of CPU resources, making it impossible to respond to normal requests, resulting in a denial of service attack. |
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| 来源 | ⚠️ https://wx.mail.qq.com/s?k=lzDuxVkSRXUZ0bwZEG |
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| 用户 | caichaoxiong (UID 84060) |
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| 提交 | 2025-04-12 16時19分 (1 年前) |
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| 管理 | 2025-04-26 10時07分 (14 days later) |
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| 状态 | 已接受 |
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| VulDB条目 | 306321 [Apereo CAS 5.2.6 ResponseEntity 查询 拒绝服务] |
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| 积分 | 17 |
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