National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-6187 Detail

Current Description

The apparmor_setprocattr function in security/apparmor/lsm.c in the Linux kernel before 4.6.5 does not validate the buffer size, which allows local users to gain privileges by triggering an AppArmor setprocattr hook.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.8


Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.2 HIGH
Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

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=30a46a4647fd1df9cf52e43bf467f0d9265096ca Issue Tracking Patch
http://marc.info/?l=linux-kernel&m=146793642811929&w=2 Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.5 Release Notes
http://www.openwall.com/lists/oss-security/2016/07/09/2 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/91696
https://bugzilla.redhat.com/show_bug.cgi?id=1354383 Issue Tracking
https://github.com/torvalds/linux/commit/30a46a4647fd1df9cf52e43bf467f0d9265096ca Issue Tracking Patch

Technical Details

Vulnerability Type (View All)

  • Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119)
  • Permissions, Privileges, and Access Controls (CWE-264)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
4.6.4


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-6187
NVD Published Date:
08/06/2016
NVD Last Modified:
11/28/2016