CVE-2026-97863— MISP 模块 Cisco Firesight 管理器 ACL 规则导出远程代码执行漏洞
一分钟漏洞结论
影响对象
misp misp-modules
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
MISP 模块 中的 模块会生成一个 Shell 脚本（.sh），用于向 Cisco fireSIGHT Manager API 进行身份验证并调用该 API。该模块在生成脚本时，将配置值（IP 地址、用户名、密码、域 ID、策略 ID）以及 MISP 属性值（目标 IP 地址、URL、事件信息注释等）直接插入到单引号包裹的 Shell 字符串赋值语句中，且未进行任何转义或消毒处理。 由于这些值被置于单引号 Shell 字符串内部，任何包含单引号字符的值（例如，攻击者提交至 MISP 的恶意构造的 ip-dst 或
影响版本矩阵 1
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| misp | misp-modules | ≤ 3.0.10 |
affected |
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一、 漏洞 CVE-2026-97863 基础信息
漏洞信息
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Vulnerability Title
misp-modules: Shell Command Injection in MISP cisco_firesight_manager_ACL_rule_export Module via Unescaped Attribute Values
来源: CVE Program / CVE List V5
Vulnerability Description
The cisco_firesight_manager_ACL_rule_export module in misp-modules generates a shell script (.sh) that authenticates to and calls the Cisco fireSIGHT Manager API. The module interpolates configuration values (IP address, login, password, domain ID, policy ID) and MISP attribute values (destination IPs, URLs, event info comments) directly into single-quoted shell string assignments without any escaping or sanitization. Because the values are placed inside single-quoted shell strings, any value containing a single-quote character (e.g., a crafted ip-dst or url attribute value submitted to MISP) breaks out of the quoting context, allowing an attacker to inject arbitrary shell commands into the exported script. A security analyst who subsequently executes the generated .sh file unmodified would run the injected commands with their own privileges, potentially exposing fireSIGHT Manager credentials, modifying ACL rules, or compromising the analyst workstation. Additionally, the module contained a secondary defect where the variable 'config' was only assigned inside a conditional block but referenced unconditionally afterward, causing a NameError (denial of service) when the request payload lacked a 'config' key. The vulnerability requires the attacker to have the ability to submit MISP events or attributes containing a single-quote character and the victim to execute the exported script. No authentication bypass is required beyond standard MISP event-submission privileges.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H
来源: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| misp | misp-modules | 0 ~ 3.0.10 | - |
|
二、漏洞 CVE-2026-97863 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-97863 补丁与修复 (1)
IV. Related Vulnerabilities
V. Comments for CVE-2026-97863
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