CVE-2013-1959

Public Exploit

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.

Category

3.7
CVSS
Severity: Low
CVSS 2.0 •
EPSS 1.05% Top 25%
Affected: n/a n/a
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2013-1959?
CVE-2013-1959 has been scored as a low severity vulnerability.
How to fix CVE-2013-1959?
To fix CVE-2013-1959, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-1959 being actively exploited in the wild?
It is possible that CVE-2013-1959 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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