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CVE-2017-9461

Good to know:

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Date: June 6, 2017

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.

Language: C

Severity Score

Related Resources (13)

https://access.redhat.com/errata/RHSA-2017:2778
https://access.redhat.com/errata/RHSA-2017:2338
https://nvd.nist.gov/vuln/detail/CVE-2017-9461
https://security-tracker.debian.org/tracker/CVE-2017-9461
https://access.redhat.com/security/cve/CVE-2017-9461
https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=10c3e3923022485c720f322ca4f0aca5d7501310
https://bugzilla.samba.org/show_bug.cgi?id=12572
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-9461
https://bugs.debian.org/864291
https://access.redhat.com/errata/RHSA-2017:1950
https://lists.debian.org/debian-lts-announce/2019/04/msg00013.html
http://www.securityfocus.com/bid/99455
https://www.mend.io/vulnerability-database/CVE-2017-9461

Severity Score

Weakness Type (CWE)

Resource Management Errors

CWE-399

Loop with Unreachable Exit Condition ('Infinite Loop')

CWE-835

Top Fix

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CVSS v3.1

Base Score:
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

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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