National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-7895 Detail

Current Description

The NFSv2 and NFSv3 server implementations in the Linux kernel through 4.10.13 lack certain checks for the end of a buffer, which allows remote attackers to trigger pointer-arithmetic errors or possibly have unspecified other impact via crafted requests, related to fs/nfsd/nfs3xdr.c and fs/nfsd/nfsxdr.c.

Source:  MITRE      Last Modified:  04/28/2017      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2017-7895
Original release date:
04/28/2017
Last revised:
01/04/2018
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://www.debian.org/security/2017/dsa-3886 External Source DEBIAN DSA-3886
http://www.securityfocus.com/bid/98085 Third Party Advisory; VDB Entry External Source BID 98085
https://access.redhat.com/errata/RHSA-2017:1615 External Source REDHAT RHSA-2017:1615
https://access.redhat.com/errata/RHSA-2017:1616 External Source REDHAT RHSA-2017:1616
https://access.redhat.com/errata/RHSA-2017:1647 External Source REDHAT RHSA-2017:1647
https://access.redhat.com/errata/RHSA-2017:1715 External Source REDHAT RHSA-2017:1715
https://access.redhat.com/errata/RHSA-2017:1723 External Source REDHAT RHSA-2017:1723
https://access.redhat.com/errata/RHSA-2017:1766 External Source REDHAT RHSA-2017:1766
https://access.redhat.com/errata/RHSA-2017:1798 External Source REDHAT RHSA-2017:1798
https://access.redhat.com/errata/RHSA-2017:2412 External Source REDHAT RHSA-2017:2412
https://access.redhat.com/errata/RHSA-2017:2428 External Source REDHAT RHSA-2017:2428
https://access.redhat.com/errata/RHSA-2017:2429 External Source REDHAT RHSA-2017:2429
https://access.redhat.com/errata/RHSA-2017:2472 External Source REDHAT RHSA-2017:2472
https://access.redhat.com/errata/RHSA-2017:2732 External Source REDHAT RHSA-2017:2732
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=13bf9fbff0e5e099e2b6f003a0ab8ae145436309 Patch; Third Party Advisory External Source CONFIRM https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=13bf9fbff0e5e099e2b6f003a0ab8ae145436309
https://github.com/torvalds/linux/commit/13bf9fbff0e5e099e2b6f003a0ab8ae145436309 Patch; Third Party Advisory External Source CONFIRM https://github.com/torvalds/linux/commit/13bf9fbff0e5e099e2b6f003a0ab8ae145436309

Technical Details

Vulnerability Type (View All)

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