National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-17450 Detail

Current Description

net/netfilter/xt_osf.c in the Linux kernel through 4.14.4 does not require the CAP_NET_ADMIN capability for add_callback and remove_callback operations, which allows local users to bypass intended access restrictions because the xt_osf_fingers data structure is shared across all net namespaces.

Source:  MITRE      Last Modified:  12/06/2017      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2017-17450
Original release date:
12/06/2017
Last revised:
01/10/2018
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:
4.6 MEDIUM
Vector:
(AV:L/AC:L/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore:
6.4
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

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Hyperlink Resource Type Source Name
http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html External Source SUSE SUSE-SU-2018:0011
http://www.securityfocus.com/bid/102110 Third Party Advisory; VDB Entry External Source BID 102110
https://lkml.org/lkml/2017/12/5/982 Third Party Advisory External Source MISC https://lkml.org/lkml/2017/12/5/982
https://www.debian.org/security/2017/dsa-4073 External Source DEBIAN DSA-4073
https://www.debian.org/security/2018/dsa-4082 External Source DEBIAN DSA-4082

Technical Details

Vulnerability Type (View All)

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