National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

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: 7.5 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
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): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 10.0

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

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/99455
https://access.redhat.com/errata/RHSA-2017:1950
https://access.redhat.com/errata/RHSA-2017:2338
https://access.redhat.com/errata/RHSA-2017:2778
https://bugs.debian.org/864291 Exploit 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

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-9461
NVD Published Date:
06/06/2017
NVD Last Modified:
01/04/2018