CVE-2017-9461

MEDIUM

Samba < 4.4.10 and 4.5.x < 4.5.6 - Denial of Service via Dangling Symlink Handling

Title source: llm
STIX 2.1

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.

References (8)

Core 8
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/99455
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:2778
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:1950
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:2338
Exploit, Issue Tracking, Patch, Third Party Advisory, VDB Entry x_refsource_confirm
https://bugzilla.samba.org/show_bug.cgi?id=12572
Exploit, Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://bugs.debian.org/864291
Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/04/msg00013.html

Scores

CVSS v3 6.5
EPSS 0.0338
EPSS Percentile 87.5%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-835
Status published
Products (17)
debian/debian_linux 8.0
redhat/enterprise_linux_desktop 7.0
redhat/enterprise_linux_server 7.0
redhat/enterprise_linux_server_aus 7.4
redhat/enterprise_linux_server_aus 7.6
redhat/enterprise_linux_server_eus 7.4
redhat/enterprise_linux_server_eus 7.5
redhat/enterprise_linux_server_eus 7.6
redhat/enterprise_linux_server_tus 7.6
redhat/enterprise_linux_workstation 7.0
... and 7 more
Published Jun 06, 2017
Tracked Since Feb 18, 2026