CVE-2016-7097 Detail

Current Description

The filesystem implementation in the Linux kernel through 4.8.2 preserves the setgid bit during a setxattr call, which allows local users to gain group privileges by leveraging the existence of a setgid program with restrictions on execute permissions.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  4.4 MEDIUM
Vector:  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=073931017b49d9458aa351605b43a7e34598caef Issue Tracking  Patch 
http://marc.info/?l=linux-fsdevel&m=147162313630259&w=2 Patch 
http://rhn.redhat.com/errata/RHSA-2017-0817.html
http://www.openwall.com/lists/oss-security/2016/08/26/3 Mailing List 
http://www.securityfocus.com/bid/92659
http://www.securitytracker.com/id/1038201
http://www.spinics.net/lists/linux-fsdevel/msg98328.html Patch  Third Party Advisory 
http://www.ubuntu.com/usn/USN-3146-1
http://www.ubuntu.com/usn/USN-3146-2
http://www.ubuntu.com/usn/USN-3147-1
https://access.redhat.com/errata/RHSA-2017:1842
https://access.redhat.com/errata/RHSA-2017:2077
https://access.redhat.com/errata/RHSA-2017:2669
https://bugzilla.redhat.com/show_bug.cgi?id=1368938 Issue Tracking  Third Party Advisory 
https://github.com/torvalds/linux/commit/073931017b49d9458aa351605b43a7e34598caef Patch  Third Party Advisory 
https://source.android.com/security/bulletin/2017-04-01
https://support.f5.com/csp/article/K31603170?utm_source=f5support&utm_medium=RSS

Weakness Enumeration

CWE-ID CWE Name Source
CWE-285 Improper Authorization cwe source acceptance level NIST  

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Change History

10 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-7097
NVD Published Date:
10/16/2016
NVD Last Modified:
01/04/2018
Source:
MITRE