The clone system-call implementation in the Linux kernel before 3.8.3 does not properly handle a combination of the CLONE_NEWUSER and CLONE_FS flags, which allows local users to gain privileges by calling chroot and leveraging the sharing of the / directory between a parent process and a child process.
References
Configurations
Configuration 1 (hide)
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History
21 Nov 2024, 01:50
Type | Values Removed | Values Added |
---|---|---|
References | () http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e66eded8309ebf679d3d3c1f5820d1f2ca332c71 - | |
References | () http://stealth.openwall.net/xSports/clown-newuser.c - Exploit | |
References | () http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.3 - | |
References | () http://www.openwall.com/lists/oss-security/2013/03/14/6 - | |
References | () https://bugzilla.redhat.com/show_bug.cgi?id=921448 - | |
References | () https://github.com/torvalds/linux/commit/e66eded8309ebf679d3d3c1f5820d1f2ca332c71 - |
Information
Published : 2013-04-05 21:55
Updated : 2024-11-21 01:50
NVD link : CVE-2013-1858
Mitre link : CVE-2013-1858
CVE.ORG link : CVE-2013-1858
JSON object : View
Products Affected
linux
- linux_kernel
CWE
CWE-264
Permissions, Privileges, and Access Controls