| Título | Apereo CAS v5.2.6 ReDos regular expression engine denial of service |
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| Descripción | 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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| Fuente | ⚠️ https://wx.mail.qq.com/s?k=lzDuxVkSRXUZ0bwZEG |
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| Usuario | caichaoxiong (UID 84060) |
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| Sumisión | 2025-04-12 16:19 (hace 1 Año) |
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| Moderación | 2025-04-26 10:07 (14 days later) |
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| Estado | Aceptado |
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| Entrada de VulDB | 306321 [Apereo CAS 5.2.6 ResponseEntity query denegación de servicio] |
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| Puntos | 17 |
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