Vulnerability CVE-2016-1237
Published: 2016-06-29

Description:
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.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Linux nfsd any user can set a file's ACL over NFS and grant access to it
David Sinquin
25.06.2016

CVSS2 => (AV:L/AC:L/Au:N/C:C/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.9/10
6.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
None
None
Affected software
Linux -> Linux kernel 

 References:
https://github.com/torvalds/linux/commit/999653786df6954a31044528ac3f7a5dadca08f4
https://bugzilla.redhat.com/show_bug.cgi?id=1350845
http://www.openwall.com/lists/oss-security/2016/06/25/2
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=999653786df6954a31044528ac3f7a5dadca08f4
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