CVE-2018-1000001

In glibc 2.26 and earlier there is confusion in the usage of getcwd() by realpath() which can be used to write before the destination buffer leading to a buffer underflow and potential code execution.

参考链接

• CVE - CVE-2018-1000001
• glibc - 'getcwd()' Local Privilege Escalation
• glibc Realpath缓冲区下溢漏洞(CVE–2018–1000001)分析