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centosCentOS ProjectCESA-2017:3278
HistoryNov 29, 2017 - 4:18 p.m.

samba4 security update

2017-11-2916:18:55
CentOS Project
lists.centos.org
56

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.916 High

EPSS

Percentile

98.9%

JSON

CentOS Errata and Security Advisory CESA-2017:3278

Samba is an open-source implementation of the Server Message Block (SMB) or Common Internet File System (CIFS) protocol, which allows PC-compatible machines to share files, printers, and other information.

Security Fix(es):

  • A use-after-free flaw was found in the way samba servers handled certain SMB1 requests. An unauthenticated attacker could send specially-crafted SMB1 requests to cause the server to crash or execute arbitrary code. (CVE-2017-14746)

  • A memory disclosure flaw was found in samba. An attacker could retrieve parts of server memory, which could contain potentially sensitive data, by sending specially-crafted requests to the samba server. (CVE-2017-15275)

Red Hat would like to thank the Samba project for reporting these issues. Upstream acknowledges Yihan Lian and Zhibin Hu (Qihoo 360 GearTeam) as the original reporter of CVE-2017-14746; and Volker Lendecke (SerNet and the Samba Team) as the original reporter of CVE-2017-15275.

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2017-November/084810.html

Affected packages:
samba4
samba4-client
samba4-common
samba4-dc
samba4-dc-libs
samba4-devel
samba4-libs
samba4-pidl
samba4-python
samba4-test
samba4-winbind
samba4-winbind-clients
samba4-winbind-krb5-locator

Upstream details at:
https://access.redhat.com/errata/RHSA-2017:3278

OSVersionArchitecturePackageVersionFilename
CentOS6i686samba4< 4.2.10-12.el6_9samba4-4.2.10-12.el6_9.i686.rpm
CentOS6i686samba4-client< 4.2.10-12.el6_9samba4-client-4.2.10-12.el6_9.i686.rpm
CentOS6i686samba4-common< 4.2.10-12.el6_9samba4-common-4.2.10-12.el6_9.i686.rpm
CentOS6i686samba4-dc< 4.2.10-12.el6_9samba4-dc-4.2.10-12.el6_9.i686.rpm
CentOS6i686samba4-dc-libs< 4.2.10-12.el6_9samba4-dc-libs-4.2.10-12.el6_9.i686.rpm
CentOS6i686samba4-devel< 4.2.10-12.el6_9samba4-devel-4.2.10-12.el6_9.i686.rpm
CentOS6i686samba4-libs< 4.2.10-12.el6_9samba4-libs-4.2.10-12.el6_9.i686.rpm
CentOS6i686samba4-pidl< 4.2.10-12.el6_9samba4-pidl-4.2.10-12.el6_9.i686.rpm
CentOS6i686samba4-python< 4.2.10-12.el6_9samba4-python-4.2.10-12.el6_9.i686.rpm
CentOS6i686samba4-test< 4.2.10-12.el6_9samba4-test-4.2.10-12.el6_9.i686.rpm
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9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.916 High

EPSS

Percentile

98.9%

JSON
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