National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-16939 Detail

Current Description

The XFRM dump policy implementation in net/xfrm/xfrm_user.c in the Linux kernel before 4.13.11 allows local users to gain privileges or cause a denial of service (use-after-free) via a crafted SO_RCVBUF setsockopt system call in conjunction with XFRM_MSG_GETPOLICY Netlink messages.

Source:  MITRE      Last Modified:  11/24/2017      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2017-16939
Original release date:
11/24/2017
Last revised:
02/03/2018
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
7.8 High
Vector:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (legend)
Impact Score:
5.9
Exploitability Score:
1.8
CVSS Version 3 Metrics:
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 Severity (version 2.0):
CVSS v2 Base Score:
7.2 HIGH
Vector:
(AV:L/AC:L/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore:
10.0
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource Type Source Name
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1137b5e2529a8f5ca8ee709288ecba3e68044df2 Patch; Technical Description External Source MISC http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1137b5e2529a8f5ca8ee709288ecba3e68044df2
http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html External Source SUSE SUSE-SU-2018:0011
http://seclists.org/fulldisclosure/2017/Nov/40 Mailing List; Third Party Advisory External Source MISC http://seclists.org/fulldisclosure/2017/Nov/40
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.11 Patch; Vendor Advisory External Source MISC http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.11
http://www.securityfocus.com/bid/101954 Third Party Advisory; VDB Entry External Source BID 101954
https://blogs.securiteam.com/index.php/archives/3535 Exploit; Patch; Third Party Advisory External Source MISC https://blogs.securiteam.com/index.php/archives/3535
https://bugzilla.suse.com/show_bug.cgi?id=1069702 Issue Tracking External Source MISC https://bugzilla.suse.com/show_bug.cgi?id=1069702
https://github.com/torvalds/linux/commit/1137b5e2529a8f5ca8ee709288ecba3e68044df2 Patch; Third Party Advisory External Source MISC https://github.com/torvalds/linux/commit/1137b5e2529a8f5ca8ee709288ecba3e68044df2
https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html External Source MLIST [debian-lts-announce] 20171210 [SECURITY] [DLA 1200-1] linux security update
https://www.debian.org/security/2018/dsa-4082 External Source DEBIAN DSA-4082

Technical Details

Vulnerability Type (View All)

  • Permissions, Privileges, and Access Control (CWE-264)

Change History 5 change records found - show changes