Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2017-9461

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.

Published

2017-06-06T21:29:00.313

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 6.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:N/I:N/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

8.0

Impact Score

6.9

Weaknesses

Type: Primary
CWE-835

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	samba	samba	≤ 4.4.9	Yes
Application	samba	samba	4.5.0	Yes
Application	samba	samba	4.5.1	Yes
Application	samba	samba	4.5.2	Yes
Application	samba	samba	4.5.3	Yes
Application	samba	samba	4.5.4	Yes
Application	samba	samba	4.5.5	Yes
Operating System	redhat	enterprise_linux_desktop	7.0	Yes
Operating System	redhat	enterprise_linux_server	7.0	Yes
Operating System	redhat	enterprise_linux_server_aus	7.4	Yes
Operating System	redhat	enterprise_linux_server_aus	7.6	Yes
Operating System	redhat	enterprise_linux_server_eus	7.4	Yes
Operating System	redhat	enterprise_linux_server_eus	7.5	Yes
Operating System	redhat	enterprise_linux_server_eus	7.6	Yes
Operating System	redhat	enterprise_linux_server_tus	7.6	Yes
Operating System	redhat	enterprise_linux_workstation	7.0	Yes
Operating System	debian	debian_linux	8.0	Yes

References

http://www.securityfocus.com/bid/99455 Third Party Advisory, VDB Entry ([email protected])
https://access.redhat.com/errata/RHSA-2017:1950 Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2017:2338 Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2017:2778 Third Party Advisory ([email protected])
https://bugs.debian.org/864291 Exploit, Issue Tracking, Patch, Third Party Advisory ([email protected])
https://bugzilla.samba.org/show_bug.cgi?id=12572 Exploit, Issue Tracking, Patch, Third Party Advisory, VDB Entry ([email protected])
https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=10c3e3923022485c720f322ca4f0aca5d7501310 ([email protected])
https://lists.debian.org/debian-lts-announce/2019/04/msg00013.html Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/99455 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2017:1950 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2017:2338 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2017:2778 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugs.debian.org/864291 Exploit, Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.samba.org/show_bug.cgi?id=12572 Exploit, Issue Tracking, Patch, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=10c3e3923022485c720f322ca4f0aca5d7501310 (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2019/04/msg00013.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)