漏洞信息
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Vulnerability Title
plone.app.portlets: Denial of service via RSS feed portlet
Vulnerability Description
plone.app.portlets provides portlets and a Plone-specific user interface for plone.portlets. Prior to 5.0.8, 6.0.4, and 7.0.2, a member who can add an RSS portlet can set its feed URL to a very large response, causing src/plone/app/portlets/portlets/rss.py to download and retain excessive data in memory and deny service. The same RSS URL handling accepts internal hosts, IP addresses, single-word domains, and explicit ports, allowing server-side requests that can probe internal network services and open ports. A malicious feed item can also supply a JavaScript URL that is retained as the item link and can execute script when used by a victim. The affected logic includes _rss_feed_url_validator, _normal_url_validator, RSSFeed._retrieveFeed, RSSFeed._buildItemDict, and the FEED_DATA in-memory cache. This issue is fixed in versions 5.0.8, 6.0.4, and 7.0.2.
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.portlets 资源管理错误漏洞
Vulnerability Description
plone.app.portlets是Plone组织的一个提供网页内容区块布局管理的插件模块。 plone.app.portlets 5.0.8之前版本、6.0.4之前版本和7.0.2之前版本存在资源管理错误漏洞,该漏洞源于对RSS feed URL验证不当,可添加RSS portlet的成员通过设置过大的feed URL导致src/plone/app/portlets/portlets/rss.py下载并保留过多数据在内存中造成拒绝服务,同时RSS URL处理接受内部主机、IP地址等导致服务端请求伪造,
CVSS Information
N/A
Vulnerability Type
N/A