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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:2439
[Rus]
Version
10
Class
patch
ALTXid
45887
Language
English
Severity
Medium
Title
RHSA-2014:0330: samba and samba3x security update
Description
It was found that certain Samba configurations did not enforce the password
lockout mechanism. A remote attacker could use this flaw to perform
password guessing attacks on Samba user accounts. A flaw was found in the way the pam_winbind module handled configurations
that specified a non-existent group as required. An authenticated user
could possibly use this flaw to gain access to a service using pam_winbind
in its PAM configuration when group restriction was intended for access to
the service. (CVE-2012-6150)
Family
unix
Platform
CentOS Linux 5
CentOS Linux 6
Red Hat Enterprise Linux 5
Red Hat Enterprise Linux 6
Product
samba
samba3x
Reference
CESA-2014:0330: CESA-2014:0330-CentOS 6
CESA-2014:0330: CESA-2014:0330-CentOS 6
Id:
CESA-2014:0330-CentOS 6
Reference:
http://lists.centos.org/pipermail/centos-announce/2014-March/020232.html
CESA-2014:0330: CESA-2014:0330-CentOS 5
CESA-2014:0330: CESA-2014:0330-CentOS 5
Id:
CESA-2014:0330-CentOS 5
Reference:
http://lists.centos.org/pipermail/centos-announce/2014-March/020228.html
VENDOR: RHSA-2014:0330-01
VENDOR: RHSA-2014:0330-01
Id:
RHSA-2014:0330-01
Reference:
https://rhn.redhat.com/errata/RHSA-2014-0330.html
CVE: CVE-2012-6150
CVE: CVE-2012-6150
Id:
CVE-2012-6150
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-6150
Comment
: The winbind_name_list_to_sid_string_list function in nsswitch/pam_winbind.c in Samba through 4.1.2 handles invalid require_membership_of group names by accepting authentication by any user, which allows remote authenticated users to bypass intended access restrictions in opportunistic circumstances by leveraging an administrator's pam_winbind configuration-file mistake.
CVSSv2 Score:
3.6
Access vector:
NETWORK
Access complexity:
HIGH
Authentication:
SINGLE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:H/Au:S/C:P/I:P/A:N
CWE:
20 (Improper Input Validation)
References:
https://bugzilla.samba.org/show_bug.cgi?id=10300 (CONFIRM)
[oss-security] 20131202 Re: CVE request: samba pam_winbind authentication fails open (MLIST)
https://bugzilla.redhat.com/show_bug.cgi?id=1036897 (CONFIRM)
[samba-technical] 20120612 winbind pam security problem (MLIST)
[samba-technical] 20131128 fail authentication if user isn't member of *any* require_membership_of specified groups (MLIST)
openSUSE-SU-2013:1921 (SUSE)
USN-2054-1 (UBUNTU)
SUSE-SU-2014:0024 (SUSE)
openSUSE-SU-2014:0405 (SUSE)
RHSA-2014:0330 (REDHAT)
MDVSA-2013:299 (MANDRIVA)
GLSA-201502-15 (GENTOO)
SSRT101413 (HP)
openSUSE-SU-2016:1106 (SUSE)
openSUSE-SU-2016:1107 (SUSE)
FEDORA-2014-7672 (FEDORA)
FEDORA-2014-9132 (FEDORA)
CVE: CVE-2013-4496
CVE: CVE-2013-4496
Id:
CVE-2013-4496
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4496
Comment
: Samba 3.x before 3.6.23, 4.0.x before 4.0.16, and 4.1.x before 4.1.6 does not enforce the password-guessing protection mechanism for all interfaces, which makes it easier for remote attackers to obtain access via brute-force ChangePasswordUser2 (1) SAMR or (2) RAP attempts.
CVSSv2 Score:
5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:P/I:N/A:N
CWE:
255 (Credentials Management)
References:
http://www.samba.org/samba/history/samba-4.1.6.html (CONFIRM)
https://bugzilla.samba.org/show_bug.cgi?id=10245 (CONFIRM)
http://www.samba.org/samba/history/samba-4.0.16.html (CONFIRM)
http://www.samba.org/samba/history/samba-3.6.23.html (CONFIRM)
http://www.samba.org/samba/security/CVE-2013-4496 (CONFIRM)
openSUSE-SU-2014:0404 (SUSE)
openSUSE-SU-2014:0405 (SUSE)
RHSA-2014:0330 (REDHAT)
USN-2156-1 (UBUNTU)
66336 (BID)
GLSA-201502-15 (GENTOO)
http://advisories.mageia.org/MGASA-2014-0138.html (CONFIRM)
MDVSA-2015:082 (MANDRIVA)
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05115993 (CONFIRM)
openSUSE-SU-2016:1106 (SUSE)
openSUSE-SU-2016:1107 (SUSE)
FEDORA-2014-7672 (FEDORA)
FEDORA-2014-9132 (FEDORA)
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