Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
Heap-based buffer overflow in the tvtumin.sys kernel driver in Lenovo Rescue and Recovery 4.20, including 4.20.0511 and 4.20.0512, allows local users to execute arbitrary code via a long file name.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Lenovo Rescue and Recovery 'tvtumon.sys'驱动堆溢出漏洞
Vulnerability Description
Lenovo Rescue and Recovery是中国联想（Lenovo）公司开发的一键式灾难恢复方案。 Lenovo Rescue and Recovery所使用的tvtumon.sys驱动用于监控文件创建和变更。最近的查询都被缓存在内核lookaside列表中，如果向文件系统传送了超长的文件名的话，就会溢出lookaside列表中的缓冲区，导致内核内存破坏。 低权限用户可以从用户态触发这个破坏，提升权限执行内核操作。在Web浏览器插件允许打开超长文件名的特殊情况下，也可能通过网页触发这个溢出。
CVSS Information
N/A
Vulnerability Type
N/A