National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-9461 Detail

Current Description

smbd in Samba before 4.4.10 and 4.5.x before 4.5.6 has a denial of service vulnerability (fd_open_atomic infinite loop with high CPU usage and memory consumption) due to wrongly handling dangling symlinks.

Source:  MITRE
Description Last Modified:  06/07/2017
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.5 MEDIUM
Vector: AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 2.8


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 6.8 MEDIUM
Vector: (AV:N/AC:L/Au:S/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 8.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): Single
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
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
http://www.securityfocus.com/bid/99455 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2017:1950 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2338 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2778 Third Party Advisory
https://bugs.debian.org/864291 Exploit Issue Tracking Patch Third Party Advisory
https://bugzilla.samba.org/show_bug.cgi?id=12572 Exploit Issue Tracking Patch Third Party Advisory VDB Entry
https://git.samba.org/?p=samba.git;a=commit;h=10c3e3923022485c720f322ca4f0aca5d7501310 Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Change History

6 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-9461
NVD Published Date:
06/06/2017
NVD Last Modified:
03/14/2019