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漏洞概要 关注数(24) 关注此漏洞

缺陷编号:wooyun-2013-021185

漏洞标题:leapftp缓冲区溢出代码执行漏洞

相关厂商:LeapWare

漏洞作者: cssembly

提交时间:2013-04-03 11:52

修复时间:2013-07-02 11:53

公开时间:2013-07-02 11:53

漏洞类型:远程代码执行

危害等级:高

自评Rank:12

漏洞状态:未联系到厂商或者厂商积极忽略

漏洞来源: http://www.wooyun.org,如有疑问或需要帮助请联系 [email protected]

Tags标签:

4人收藏 收藏
分享漏洞:


漏洞详情

披露状态:

2013-04-03: 积极联系厂商并且等待厂商认领中,细节不对外公开
2013-07-02: 厂商已经主动忽略漏洞,细节向公众公开

简要描述:

leapftp设计缺陷,存在溢出漏洞

详细说明:

由于未对服务器地址做有效性验证,当输入恶意地址链接时,导致代码执行漏洞

漏洞证明:

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通过调试器打开应用程序,在地址栏选择地址并连接

.PNG


当程序异常时,可以看到SEH处理函数已被覆盖为pop pop ret

.PNG


并且顺利执行到栈中的跳转指令

.PNG

修复方案:

版权声明:转载请注明来源 cssembly@乌云


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