漏洞信息
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Vulnerability Title
MISP cullEmptyEvents CSRF Allows Irreversible Deletion of Events via GET Request
Vulnerability Description
A cross-site request forgery (CSRF) vulnerability existed in the cullEmptyEvents action of MISP. The endpoint performed a state-changing and irreversible operation while accepting HTTP GET requests.
Because bodyless GET requests are not subject to CakePHP's CSRF validation, an attacker could cause an authenticated MISP user with sufficient privileges to invoke the endpoint simply by causing their browser to load a crafted URL, for example through an embedded image or other automatically requested resource.
Successful exploitation triggers the deletion of published empty events. The deletion is particularly significant because the operation uses skipBlocklist, meaning the removed events do not leave blocklist entries that could prevent or track their subsequent synchronization. This can result in unintended and potentially irreversible deletion of MISP event records without explicit user interaction.
The vulnerability was addressed by restricting cullEmptyEvents to HTTP POST requests, ensuring that CakePHP's normal CSRF protections are applied to the operation.
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N
Vulnerability Type
跨站请求伪造(CSRF)
Vulnerability Title
MISP 跨站请求伪造漏洞
Vulnerability Description
MISP是MISP组织开源的一套开源的软件解决方案。该产品用于收集、存储、分发、共享网络安全指标,并具有威胁网络安全事件分析和恶意软件分析等功能。 MISP 2.5.45及之前版本存在跨站请求伪造漏洞,该漏洞源于cullEmptyEvents动作存在跨站请求伪造漏洞,该端点接受HTTP GET请求并执行状态改变且不可逆的操作,由于无body的GET请求不受CakePHP的CSRF验证保护,可能导致攻击者诱导已认证用户加载恶意URL,从而在无需用户交互的情况下删除已发布的空事件,且因操作使用skipBloc
CVSS Information
N/A
Vulnerability Type
N/A