CVE-2013-1959

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

• Linux Kernel < 3.8.x - open-time Capability 'file_ns_capable()' Local Privilege Escalation2013-05-14 · local · linux

Impact

kernel/user_namespace.c in the Linux kernel before 3.8.9 does not have appropriate capability requirements for the uid_map and gid_map files, which allows local users to gain privileges by opening a file within an unprivileged process and then modifying the file within a privileged process.

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6708075f104c3c9b04b23336bb0366ca30c3931b
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e3211c120a85b792978bcb4be7b2886df18d27f0
• http://www.exploit-db.com/exploits/25307
• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9
• http://www.openwall.com/lists/oss-security/2013/04/29/1
• https://github.com/torvalds/linux/commit/6708075f104c3c9b04b23336bb0366ca30c3931b
• https://github.com/torvalds/linux/commit/e3211c120a85b792978bcb4be7b2886df18d27f0
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6708075f104c3c9b04b23336bb0366ca30c3931b
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e3211c120a85b792978bcb4be7b2886df18d27f0
• http://www.exploit-db.com/exploits/25307
• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9
• http://www.openwall.com/lists/oss-security/2013/04/29/1
• https://github.com/torvalds/linux/commit/6708075f104c3c9b04b23336bb0366ca30c3931b
• https://github.com/torvalds/linux/commit/e3211c120a85b792978bcb4be7b2886df18d27f0