漏洞信息
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Vulnerability Title
YesWiki: SQL injection via the `recentchanges` action `period` argument leading to arbitrary DB read
Vulnerability Description
YesWiki is a wiki system written in PHP. Prior to version 4.6.6, the recentchanges action (actions/recentchanges.php) accepts a period argument from two disjoint parameter spaces. A whitelist validates only the URL form against ['day','week','month']. The action-argument form takes the else branch with no validation, and the value flows into PageManager::getRecentlyChanged(), where it is interpolated into a WHERE time >= '...' ORDER BY time DESC clause without escaping or parameterization. UNION-based injection succeeds, the leaked rows render into the response page, so any visitor of the trigger page sees the exfiltrated data. The vulnerability provides arbitrary read of the YesWiki database to anyone who can save the trigger page. On a default install (default_write_acl='*'), this includes anonymous users, subject to the hashcash JS check on the page-edit form. Once the trigger page is saved, every subsequent view fires the injection as the SQLi is stored. Stored SQL injection is reachable through the page-edit flow, with arbitrary database read. This issue has been patched in version 4.6.6.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Vulnerability Title
YesWiki 软件供应链问题漏洞
Vulnerability Description
YesWiki是法国YesWiki组织开源的一个面向团队的协作式内容管理平台。 YesWiki 4.6.6之前版本存在安全漏洞,该漏洞源于recentchanges操作未对period参数进行充分验证和转义,将其直接拼接至SQL查询语句,可能导致基于UNION的SQL注入,从而造成任意数据库读取。
CVSS Information
N/A
Vulnerability Type
N/A