National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-18017 Detail

Current Description

The tcpmss_mangle_packet function in net/netfilter/xt_TCPMSS.c in the Linux kernel before 4.11, and 4.9.x before 4.9.36, allows remote attackers to cause a denial of service (use-after-free and memory corruption) or possibly have unspecified other impact by leveraging the presence of xt_TCPMSS in an iptables action.

Source:  MITRE      Last Modified:  01/03/2018      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2017-18017
Original release date:
01/03/2018
Last revised:
01/17/2018
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
9.8 Critical
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H (legend)
Impact Score:
5.9
Exploitability Score:
3.9
CVSS Version 3 Metrics:
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
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:
10.0 HIGH
Vector:
(AV:N/AC:L/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore:
10.0
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector:
Network 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

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Hyperlink Resource Type Source Name
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2638fd0f92d4397884fd991d8f4925cb3f081901 Patch; Third Party Advisory External Source MISC http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2638fd0f92d4397884fd991d8f4925cb3f081901
http://patchwork.ozlabs.org/patch/746618/ Patch; Third Party Advisory External Source MISC http://patchwork.ozlabs.org/patch/746618/
http://www.securityfocus.com/bid/102367 Third Party Advisory; VDB Entry External Source BID 102367
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1739765 Issue Tracking; Third Party Advisory External Source MISC https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1739765
https://github.com/torvalds/linux/commit/2638fd0f92d4397884fd991d8f4925cb3f081901 Patch; Third Party Advisory External Source MISC https://github.com/torvalds/linux/commit/2638fd0f92d4397884fd991d8f4925cb3f081901
https://lkml.org/lkml/2017/4/2/13 Third Party Advisory External Source MISC https://lkml.org/lkml/2017/4/2/13
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.36 Release Notes; Vendor Advisory External Source MISC https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.36

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:o:linux:linux_kernel:4.9:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.8:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.9:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.11:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.12:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.13:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.14:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.15:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.16:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.17:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.18:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.19:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.20:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.21:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.22:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.23:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.24:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.25:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.26:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.27:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.28:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.29:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.30:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.31:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.32:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.33:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.34:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.35:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.10.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.10.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.10.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.10.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.10.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.10.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.10.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.10.8:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.10.9:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.10.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.10.11:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.10.12:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.10.13:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.10.14:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.10.15:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.11:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.11:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.11:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.11:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.11:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.11:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.11:rc7:*:*:*:*:*:*

Denotes Vulnerable Software
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Change History 2 change records found - show changes