This Metasploit module attempts to exploit two different CVEs (CVE-2015-1328 and CVE-2015-8660) related to overlayfs.
051ac68d3b034444740ccd04d39c409e4a6f9b78bb6c5b472cf8e1acac90159dThe overlayfs filesystem does not correctly check file permissions when creating new files in the upper filesystem directory. This can be exploited by an unprivileged process in kernels with CONFIG_USER_NS=y and where overlayfs has the FS_USERNS_MOUNT flag, which allows the mounting of overlayfs inside unprivileged mount namespaces. This is the default configuration of Ubuntu 12.04, 14.04, 14.10, and 15.04. Included is a full exploit demonstration root code execution.
f86829bc8ea48c36f6d3cd054fa6293bb6beab50057404ccaddcd6c16e8bed3cUbuntu Security Notice 2640-1 - Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside of user namespaces. A local user could exploit this flaw to gain administrative privileges on the system.
122682e2079f57b9d20ea0a53cbcf1fa27541a19754e2ff8123b4183c67919efUbuntu Security Notice 2646-1 - Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside of user namespaces. A local user could exploit this flaw to gain administrative privileges on the system.
60e696bc948e127ea85fd077ad0c209bf2f09534c2c0a8621a196e2cd97921b8Ubuntu Security Notice 2645-1 - Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside of user namespaces. A local user could exploit this flaw to gain administrative privileges on the system.
de2b82ff912d766408dc20664b6f617bc06909cc0ddd19f4b148902d938c7d78Ubuntu Security Notice 2647-1 - Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside of user namespaces. A local user could exploit this flaw to gain administrative privileges on the system.
81f655f162aa73118e6b4213c239628a4fc5ae162d9fda3cc8ebc5d36142523cUbuntu Security Notice 2643-1 - Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside of user namespaces. A local user could exploit this flaw to gain administrative privileges on the system.
46bd8c4289069bc8f1619e0e070000f2b1911c349d885324ec84b1829ab40f43Ubuntu Security Notice 2644-1 - Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside of user namespaces. A local user could exploit this flaw to gain administrative privileges on the system.
941755602ec4f1f924dce22ad303c8570a47cadbfe65e3460042222d0f46dbc0Ubuntu Security Notice 2641-1 - Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside of user namespaces. A local user could exploit this flaw to gain administrative privileges on the system.
7b9cbf736d04f0b23cbaf259f21e2c322036327619471c50a6d7479caa3b6a5eUbuntu Security Notice 2642-1 - Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside of user namespaces. A local user could exploit this flaw to gain administrative privileges on the system.
6bfcc19b73797a1c86fc721f991369d043fb6e00cf5a2dd6631cf1ad67a4248b
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