National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-5243 Detail

Current Description

The tipc_nl_compat_link_dump function in net/tipc/netlink_compat.c in the Linux kernel through 4.6.3 does not properly copy a certain string, which allows local users to obtain sensitive information from kernel stack memory by reading a Netlink message.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.5 MEDIUM
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N (V3 legend)
Impact Score: 3.6
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): None
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 2.1 LOW
Vector: (AV:L/AC:L/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.9


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

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=5d2be1422e02ccd697ccfcd45c85b4a26e6178e2 Vendor Advisory
http://www.debian.org/security/2016/dsa-3607
http://www.openwall.com/lists/oss-security/2016/06/03/4
http://www.securityfocus.com/bid/91334
http://www.ubuntu.com/usn/USN-3049-1
http://www.ubuntu.com/usn/USN-3050-1
http://www.ubuntu.com/usn/USN-3051-1
http://www.ubuntu.com/usn/USN-3052-1
http://www.ubuntu.com/usn/USN-3053-1
http://www.ubuntu.com/usn/USN-3054-1
http://www.ubuntu.com/usn/USN-3055-1
http://www.ubuntu.com/usn/USN-3056-1
http://www.ubuntu.com/usn/USN-3057-1
https://bugzilla.redhat.com/show_bug.cgi?id=1343335
https://github.com/torvalds/linux/commit/5d2be1422e02ccd697ccfcd45c85b4a26e6178e2 Vendor Advisory
https://patchwork.ozlabs.org/patch/629100/ Patch

Technical Details

Vulnerability Type (View All)

  • Information Leak / Disclosure (CWE-200)

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)
4.6.3


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-5243
NVD Published Date:
06/27/2016
NVD Last Modified:
11/28/2016