CVE-2023-2640 PoC — Canonical Ubuntu Linux 安全漏洞

Source

https://github.com/projectdiscovery/nuclei-templates/blob/main/code/cves/2023/CVE-2023-2640.yaml

Associated Vulnerability

Title:Canonical Ubuntu Linux 安全漏洞 (CVE-2023-2640)
Description:On Ubuntu kernels carrying both c914c0e27eb0 and "UBUNTU: SAUCE: overlayfs: Skip permission checking for trusted.overlayfs.* xattrs", an unprivileged user may set privileged extended attributes on the mounted files, leading them to be set on the upper files without the appropriate security checks.

Description

A local privilege escalation vulnerability has been discovered in the OverlayFS module of the Ubuntu kernel. This vulnerability could allow an attacker with local access to escalate their privileges, potentially gaining root-like access to the system.

File Snapshot

Remarks

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