Vulnerability Description
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.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 3.8.8 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- 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/2013/04/29/1Exploit
- https://github.com/torvalds/linux/commit/6708075f104c3c9b04b23336bb0366ca30c3931
- https://github.com/torvalds/linux/commit/e3211c120a85b792978bcb4be7b2886df18d27f
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- 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/2013/04/29/1Exploit
- https://github.com/torvalds/linux/commit/6708075f104c3c9b04b23336bb0366ca30c3931
- https://github.com/torvalds/linux/commit/e3211c120a85b792978bcb4be7b2886df18d27f
FAQ
What is CVE-2013-1959?
CVE-2013-1959 is a vulnerability with a CVSS score of 3.7 (LOW). 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 f...
How severe is CVE-2013-1959?
CVE-2013-1959 has been rated LOW with a CVSS base score of 3.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2013-1959?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.