Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The query planner in PostgreSQL before 8.0.11, 8.1 before 8.1.7, and 8.2 before 8.2.2 does not verify that a table is compatible with a "previously made query plan," which allows remote authenticated users to cause a denial of service (server crash) and possibly access database content via an "ALTER COLUMN TYPE" SQL statement, which can be leveraged to read arbitrary memory from the server.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
PostgreSQL query planner拒绝服务漏洞
Vulnerability Description
PostgreSQL是一款高级对象－关系型数据库管理系统，支持扩展的SQL标准子集。 PostgreSQL中的查询计划程序(query planner)没有验证表格是否与之前所执行的查询计划兼容，允许远程已认证的攻击者通过"ALTER COLUMN TYPE"SQL语句导致服务器崩溃；理论上攻击者也可以利用这个漏洞读取数据的内容。
CVSS Information
N/A
Vulnerability Type
N/A