| タイトル | Apereo CAS v5.2.6 ReDos regular expression engine denial of service |
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| 説明 | 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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| ソース | ⚠️ https://wx.mail.qq.com/s?k=lzDuxVkSRXUZ0bwZEG |
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| ユーザー | caichaoxiong (UID 84060) |
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| 送信 | 2025年04月12日 16:19 (1 年 ago) |
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| モデレーション | 2025年04月26日 10:07 (14 days later) |
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| ステータス | 承諾済み |
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| VulDBエントリ | 306321 [Apereo CAS 5.2.6 ResponseEntity query サービス拒否] |
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| ポイント | 17 |
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