Vulnerability Information
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Vulnerability Title
Abitrary file write through systemd-creds option
Vulnerability Description
Incus is a system container and virtual machine manager. Incus instances have an option to provide credentials to systemd in the guest. For containers, this is handled through a shared directory. Prior to version 6.23.0, an attacker can set a configuration key named something like `systemd.credential.../../../../../../root/.bashrc` to cause Incus to write outside of the `credentials` directory associated with the container. This makes use of the fact that the Incus syntax for such credentials is `systemd.credential.XYZ` where `XYZ` can itself contain more periods. While it's not possible to read any data this way, it's possible to write to arbitrary files as root, enabling both privilege escalation and denial of service attacks. Version 6.23.0 fixes the issue.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Vulnerability Title
Incus 路径遍历漏洞
Vulnerability Description
Incus是LXC开源的一个系统容器和虚拟机管理器。 Incus 6.23.0之前版本存在路径遍历漏洞，该漏洞源于攻击者可设置特制配置键导致Incus写入容器关联的credentials目录之外，可能导致权限提升和拒绝服务攻击。
CVSS Information
N/A
Vulnerability Type
N/A