CVE-2013-1959 Privilege escalation in n/a
Local attackers can escalate privileges by exploiting improper capability checks in Linux kernel user namespace files.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-1959?
CVE-2013-1959 is a low-severity vulnerability in Linux kernel, published on 3 May 2013. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-264
Which versions are affected by CVE-2013-1959?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2013-1959?
Upgrade to a fixed version.
Is CVE-2013-1959 being exploited?
There is no known exploitation of CVE-2013-1959 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2013-1959, GHSA-264q-mfc4-v57c.