Vulnerability Details : CVE-2016-1237
nfsd in the Linux kernel through 4.6.3 allows local users to bypass intended file-permission restrictions by setting a POSIX ACL, related to nfs2acl.c, nfs3acl.c, and nfs4acl.c.
Vulnerability category: BypassGain privilege
Products affected by CVE-2016-1237
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-1237
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-1237
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.9
|
MEDIUM | AV:L/AC:L/Au:N/C:C/I:N/A:N |
3.9
|
6.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2016-1237
-
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-1237
-
http://www.ubuntu.com/usn/USN-3070-1
USN-3070-1: Linux kernel vulnerabilities | Ubuntu security notices
-
http://www.openwall.com/lists/oss-security/2016/06/25/2
oss-security - Linux CVE-2016-1237: nfsd: any user can set a file's ACL over NFS and grant access to it
-
http://www.ubuntu.com/usn/USN-3070-4
USN-3070-4: Linux kernel (Xenial HWE) vulnerabilities | Ubuntu security notices
-
http://www.ubuntu.com/usn/USN-3070-2
USN-3070-2: Linux kernel (Raspberry Pi 2) vulnerabilities | Ubuntu security notices
-
http://www.securityfocus.com/bid/91456
Linux Kernel CVE-2016-1237 Security Bypass Vulnerability
-
http://www.ubuntu.com/usn/USN-3070-3
USN-3070-3: Linux kernel (Qualcomm Snapdragon) vulnerabilities | Ubuntu security notices
-
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=999653786df6954a31044528ac3f7a5dadca08f4
kernel/git/torvalds/linux.git - Linux kernel source treeVendor Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=1350845
1350845 – (CVE-2016-1237) CVE-2016-1237 kernel: Missing check for permissions when setting ACL
-
https://github.com/torvalds/linux/commit/999653786df6954a31044528ac3f7a5dadca08f4
nfsd: check permissions when setting ACLs · torvalds/linux@9996537 · GitHubVendor Advisory
-
http://www.ubuntu.com/usn/USN-3053-1
USN-3053-1: Linux kernel (Vivid HWE) vulnerabilities | Ubuntu security notices
-
http://www.debian.org/security/2016/dsa-3607
Debian -- Security Information -- DSA-3607-1 linux
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