漏洞信息
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Vulnerability Title
plone.app.event: Denial of service via iCalendar import
Vulnerability Description
plone.app.event provides the event content type for Plone. Prior to versions 5.2.4 and 6.0.1, the iCalendar import in src/plone/app/event/ical/importer.py accepts insufficiently restricted calendar and event URLs, does not adequately bound downloaded bytes or imported events, and commits work per event. A logged-in editor can make the server request internal network resources or local calendar files, exhaust resources and take the site offline, and store a malicious event URL that executes script in another user's browser. The fix restricts accepted URLs, applies MAXIMUM_ICAL_IMPORT_SIZE_BYTES and MAXIMUM_ICAL_IMPORT_EVENTS limits, uses transaction savepoints, and validates event URLs. This issue is fixed in versions 5.2.4 and 6.0.1.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:H
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Vulnerability Title
plone.app.event 资源管理错误漏洞
Vulnerability Description
plone.app.event是Plone组织的一个事件管理应用。 plone.app.event 5.2.4之前版本和6.0.0至6.0.1之前版本存在资源管理错误漏洞,该漏洞源于iCalendar导入功能(src/plone/app/event/ical/importer.py)对日历和事件URL限制不足,未充分限制下载字节或导入事件数量,且逐事件提交工作,可能导致已登录编辑者请求内部网络资源或本地日历文件,耗尽资源使站点离线,并存储恶意事件URL在其他用户浏览器中执行脚本。
CVSS Information
N/A
Vulnerability Type
N/A