发布时间: 2021年12月17日
修改时间: 2024年10月31日
ModSecurity 3.x through 3.0.5 mishandles excessively nested JSON objects. Crafted JSON objects with nesting tens-of-thousands deep could result in the web server being unable to service legitimate requests. Even a moderately large (e.g., 300KB) HTTP request can occupy one of the limited NGINX worker processes for minutes and consume almost all of the available CPU on the machine. Modsecurity 2 is similarly vulnerable: the affected versions include 2.8.0 through 2.9.4.
| NVD | openEuler | |
|---|---|---|
| Confidentiality | None | None |
| Attack Vector | Network | Network |
| CVSS评分 | 7.5 | 7.5 |
| Attack Complexity | Low | Low |
| Privileges Required | None | None |
| Scope | Unchanged | Unchanged |
| Integrity | None | None |
| User Interaction | None | None |
| Availability | High | High |
| 公告名 | 概要 | 发布时间 |
|---|---|---|
| KylinSec-SA-2021-1463 | mod_security security update | 2021年12月17日 |
| KylinSec-SA-2022-2093 | mod_security security update | 2022年9月23日 |
| 产品 | 包 | 状态 |
|---|---|---|
| KY3.4-4A | mod_security | Fixed |
| KY3.4-5 | mod_security | Fixed |
