National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

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

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 9.8 CRITICAL
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 3.9

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 v2.0 Severity and Metrics:

Base Score: 10.0 HIGH
Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 10.0

Access Vector (AV): Network
Access Complexity (AC): Insufficient_Info
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.debian.org/security/2017/dsa-3886
http://www.securityfocus.com/bid/98085 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2017:1615
https://access.redhat.com/errata/RHSA-2017:1616
https://access.redhat.com/errata/RHSA-2017:1647
https://access.redhat.com/errata/RHSA-2017:1715
https://access.redhat.com/errata/RHSA-2017:1723
https://access.redhat.com/errata/RHSA-2017:1766
https://access.redhat.com/errata/RHSA-2017:1798
https://access.redhat.com/errata/RHSA-2017:2412
https://access.redhat.com/errata/RHSA-2017:2428
https://access.redhat.com/errata/RHSA-2017:2429
https://access.redhat.com/errata/RHSA-2017:2472
https://access.redhat.com/errata/RHSA-2017:2732
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=13bf9fbff0e5e099e2b6f003a0ab8ae145436309 Patch Third Party Advisory
https://github.com/torvalds/linux/commit/13bf9fbff0e5e099e2b6f003a0ab8ae145436309 Patch Third Party Advisory

Technical Details

Vulnerability Type (View All)

Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-7895
NVD Published Date:
04/28/2017
NVD Last Modified:
01/04/2018