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Buffer overflow in the SQLDriverConnect function in unixODBC 2.3.1 allows local users to cause a denial of service (crash) via a long string in the DRIVER option. NOTE: this issue might not be a vulnerability, since the ability to set this option typically implies that the attacker already has legitimate access to cause a DoS or execute code, and therefore the issue would not cross privilege boundaries. There may be limited attack scenarios if isql command-line options are exposed to an attacker, although it seems likely that other, more serious issues would also be exposed, and this issue might not cross privilege boundaries in that context.

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unixODBC 缓冲区错误漏洞

unixODBC是unixODBC的一种开放规范，用于为应用程序开发人员提供访问数据源的可预测 API。数据源包括 SQL Server 和任何带有 ODBC 驱动程序的数据源。 unixODBC 2.3.1版本中的SQLDriverConnect()函数中存在缓冲区错误漏洞，该漏洞源于对用户提供的输入在复制到大小空间不充足的缓冲区之前未经充分的边界值校验。攻击者可利用该漏洞以运行受影响应用程序的用户权限执行任意代码，攻击失败将导致拒绝服务。

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