PT-2017-18935 · Samba+4 · Samba+4

Publicado 2017-03-08 · Atualizado 2019-10-03 · CVE-2017-9461

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Média

Vetor base

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

Name of the Vulnerable Software and Affected Versions Samba versions prior to 4.4.10 Samba versions 4.5.x prior to 4.5.6

Description The issue is related to a denial of service due to the incorrect handling of dangling symlinks by smbd in Samba. This results in an infinite loop with high CPU usage and memory consumption.

Recommendations For Samba versions prior to 4.4.10, update to version 4.4.10 or later. For Samba versions 4.5.x prior to 4.5.6, update to version 4.5.6 or later.

Exploit

Correção

DoS

Infinite Loop

Enumeração de Fraquezas

CWE-835

Identificadores relacionados

ALT-PU-2017-1255

CESA-2017_1950

CVE-2017-9461

DLA-1754-1

ECHO-EBB3-4541-C7BC

RHSA-2017:1950

RHSA-2017:2338

RHSA-2017:2778

RHSA-2017_1950

USN-3348-1

Produtos afetados

Alt Linux

Centos

Red Hat

Samba

Ubuntu

Referências · 19

• 🔥 https://bugs.debian.org/864291 · Exploit
• 🔥 https://bugzilla.samba.org/show_bug.cgi?id=12572 · Exploit
• https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=10c3e3923022485c720f322ca4f0aca5d7501310 · Nota
• https://access.redhat.com/errata/RHSA-2017:2778 · Aviso do Fabricante
• https://lists.debian.org/debian-lts-announce/2019/04/msg00013.html · Nota
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-9461 · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2017-9461 · Nota de Segurança
• https://ubuntu.com/security/notices/USN-3348-1 · Aviso do Fabricante
• http://securityfocus.com/bid/99455 · Nota
• https://access.redhat.com/errata/RHSA-2017:2338 · Aviso do Fabricante
• https://security-tracker.debian.org/tracker/CVE-2017-9461 · Aviso do Fabricante
• https://cve.org/CVERecord?id=CVE-2017-9461 · Nota de Segurança
• https://linux.oracle.com/errata/ELSA-2017-1950.html · Aviso do Fabricante
• https://osv.dev/vulnerability/USN-3348-1 · Aviso do Fabricante
• https://osv.dev/vulnerability/CVE-2017-9461 · Aviso do Fabricante