Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
lxc-user-nic in lxc through 5.0.1 is installed setuid root, and may allow local users to infer whether any file exists, even within a protected directory tree, because "Failed to open" often indicates that a file does not exist, whereas "does not refer to a network namespace path" often indicates that a file exists. NOTE: this is different from CVE-2018-6556 because the CVE-2018-6556 fix design was based on the premise that "we will report back to the user that the open() failed but the user has no way of knowing why it failed"; however, in many realistic cases, there are no plausible reasons for failing except that the file does not exist.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
LXC 安全漏洞
Vulnerability Description
LXC是LXC开源的一个经过大量测试的低级 Linux 容器运行时。 LXC 5.0.1之前版本存在安全漏洞，该漏洞源于允许本地用户推断文件是否存在。
CVSS Information
N/A
Vulnerability Type
N/A