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 securitylabs.datadoghq.com
The OverlayFS vulnerability CVE-2023-0386: Overview, detection, and remediation | Datadog Security Labs
| | www.halfdog.net
Overlayfs Over Fuse Local Root Privilege Escalation
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| | On Ubuntu Wily it is possible to place an USERNS overlayfs mount over a fuse (file system in userspace) mount. The fuse filesystem may contain SUID binaries, but those cannot be executed due to nosuid mount options. But when touching such an SUID binary via overlayfs mount, this will trigger copy_up including all file attributes, thus creating a real SUID binary on the disk.
| | neroteam.com
Security Flaws in Buffalo VPN VR-S1000 - NeroTeam Security Labs
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| Analysis of Buffalo VR-S1000 VPN router vulnerabilities, including OS command injections and weak cryptographic keys, impacting versions 2.37 and below.