UBUNTU-CVE-2014-9922

The eCryptfs subsystem in the Linux kernel before 3.18 allows local users to gain privileges via a large filesystem stack that includes an overlayfs layer, related to fs/ecryptfs/main.c and fs/overlayfs/super.c...

CVE-2014-9922

The eCryptfs subsystem in the Linux kernel before 3.18 allows local users to gain privileges via a large filesystem stack that includes an overlayfs layer, related to fs/ecryptfs/main.c and fs/overlayfs/super.c...

CVE-2014-9922

The eCryptfs subsystem in the Linux kernel before 3.18 allows local users to gain privileges via a large filesystem stack that includes an overlayfs layer, related to fs/ecryptfs/main.c and fs/overlayfs/super.c...

CVE-2014-9922

The eCryptfs subsystem in the Linux kernel before 3.18 allows local users to gain privileges via a large filesystem stack that includes an overlayfs layer, related to fs/ecryptfs/main.c and fs/overlayfs/super.c...

Ubuntu 15.10 - USERNS Overlayfs Over Fuse Privilege Escalation Vulnerability

Exploit for linux platform in category local exploits Source: http://www.halfdog.net/Security/2016/OverlayfsOverFusePrivilegeEscalation/ Introduction Problem description: On Ubuntu Wily it is possible to place an USERNS overlayfs mount over a fuse mount. The fuse filesystem may contain SUID...

Ubuntu 14.04/15.10 - User Namespace Overlayfs Xattr Setgid Privilege Escalation Vulnerability

Exploit for linux platform in category local exploits Source: http://www.halfdog.net/Security/2016/UserNamespaceOverlayfsXattrSetgidPrivilegeEscalation/ Introduction Problem description: Linux user namespace allows to mount file systems as normal user, including the overlayfs. As many of those...

CVE-2016-1576

The overlayfs implementation in the Linux kernel through 4.5.2 does not properly restrict the mount namespace, which allows local users to gain privileges by mounting an overlayfs filesystem on top of a FUSE filesystem, and then executing a crafted setuid program...

CVE-2016-1575

The overlayfs implementation in the Linux kernel through 4.5.2 does not properly maintain POSIX ACL xattr data, which allows local users to gain privileges by leveraging a group-writable setgid directory...

Immunity Canvas: OVERLAYFS

Name| overlayfs ---|--- CVE| CVE-2015-1328 Exploit Pack| CANVAS Description| Ubuntu Overlayfs local privilege escalation Notes| CVE Name: CVE-2015-1328 VENDOR: Ubuntu Notes: This is a local privilege escalation for Ubuntu affecting 12.04, 14.04, 14.10, and 15.04. Currently supporting: - 14.04 -...

CVE-2015-1328

The overlayfs implementation in the linux aka Linux kernel package before 3.19.0-21.21 in Ubuntu through 15.04 does not properly check permissions for file creation in the upper filesystem directory, which allows local users to obtain root access by leveraging a configuration in which overlayfs i...

Design/Logic Flaw

The overlayfs implementation in the linux aka Linux kernel package before 3.19.0-21.21 in Ubuntu through 15.04 does not properly check permissions for file creation in the upper filesystem directory, which allows local users to obtain root access by leveraging a configuration in which overlayfs i...

CVE-2015-1328

CVE-2015-1328 affects the Linux kernel overlayfs by failing to properly check permissions for file creation in the upperdir when overlayfs is allowed in an arbitrary mount namespace. This enables local users to escalate to root on systems with overlayfs and user namespaces enabled, notably Ubuntu...

CVE-2015-1328

The overlayfs implementation in the linux aka Linux kernel package before 3.19.0-21.21 in Ubuntu through 15.04 does not properly check permissions for file creation in the upper filesystem directory, which allows local users to obtain root access by leveraging a configuration in which overlayfs i...

CVE-2015-1328

The overlayfs implementation in the linux aka Linux kernel package before 3.19.0-21.21 in Ubuntu through 15.04 does not properly check permissions for file creation in the upper filesystem directory, which allows local users to obtain root access by leveraging a configuration in which overlayfs i...

Ubuntu 14.0415.10 - User Namespace Overlayfs Xattr SetGID Privilege Escalation

Ubuntu 14.0415.10 - User Namespace Overlayfs Xattr SetGID Privilege Escalation Source: http://www.halfdog.net/Security/2016/UserNamespaceOverlayfsXattrSetgidPrivilegeEscalation/ Introduction Problem description: Linux user namespace allows to mount file systems as normal user, including the...

Ubuntu 15.10 - USERNS Overlayfs Over Fuse Privilege Escalation

Ubuntu 15.10 - USERNS Overlayfs Over Fuse Privilege Escalation Source: http://www.halfdog.net/Security/2016/OverlayfsOverFusePrivilegeEscalation/ Introduction Problem description: On Ubuntu Wily it is possible to place an USERNS overlayfs mount over a fuse mount. The fuse filesystem may contain...

Ubuntu 14.04/15.10 - User Namespace Overlayfs Xattr SetGID Privilege Escalation

Source: http://www.halfdog.net/Security/2016/UserNamespaceOverlayfsXattrSetgidPrivilegeEscalation/ Introduction Problem description: Linux user namespace allows to mount file systems as normal user, including the overlayfs. As many of those features were not designed with namespaces in mind, this...

Ubuntu 15.10 - 'USERNS ' Overlayfs Over Fuse Privilege Escalation

Source: http://www.halfdog.net/Security/2016/OverlayfsOverFusePrivilegeEscalation/ Introduction Problem description: On Ubuntu Wily it is possible to place an USERNS overlayfs mount over a fuse mount. The fuse filesystem may contain SUID binaries, but those cannot be used to gain privileges due t...

Linux Kernel (Ubuntu / Fedora / RedHat) - 'Overlayfs' Local Privilege Escalation (Metasploit)

This module requires Metasploit: http://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework require "msf/core" class MetasploitModule 'Overlayfs Privilege Escalation', 'Description' = %q This module attempts to exploit two different CVEs related to overlayfs...

CVE-2015-8953

fs/overlayfs/copyup.c in the Linux kernel before 4.2.6 uses an incorrect cleanup code path, which allows local users to cause a denial of service dentry reference leak via filesystem operations on a large file in a lower overlayfs layer...