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samba: client requesting encryption vulnerable to downgrade attack

🗓️ 08 Jan 2016 10:17:52Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 3 Views

A man in the middle flaw in Samba connection signing allows downgrading to plain text.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
ALT Linux		Security fix for the ALT Linux 8 package samba version 4.3.3-alt1
16 Dec 201500:00
–altlinux
ALT Linux		Security fix for the ALT Linux 10 package samba version 4.3.3-alt1
16 Dec 201500:00
–altlinux
ALT Linux		Security fix for the ALT Linux 8 package samba-DC version 4.3.3-alt1
16 Dec 201500:00
–altlinux
ALT Linux		Security fix for the ALT Linux 7 package samba version 4.3.3-alt1
16 Dec 201500:00
–altlinux
Tenable Nessus		Samba 4.x < 4.1.22 Multiple Vulnerabilities
9 Jun 201600:00
–nessus
Tenable Nessus		Samba 4.2.x < 4.2.7 / 4.3.x < 4.3.3 Multiple Vulnerabilities
9 Jun 201600:00
–nessus
Tenable Nessus		Amazon Linux AMI : samba (ALAS-2016-634)
19 Jan 201600:00
–nessus
Tenable Nessus		CentOS 7 : samba (CESA-2016:0006)
8 Jan 201600:00
–nessus
Tenable Nessus		CentOS 6 : samba4 (CESA-2016:0010)
8 Jan 201600:00
–nessus
Tenable Nessus		CentOS 6 : samba (CESA-2016:0011)
8 Jan 201600:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7x86_64ctdb0:4.2.4-9.1.el7rhgsctdb-0:4.2.4-9.1.el7rhgs.x86_64.rpm
Red Hat Enterprise Linux7x86_64ctdb-devel0:4.2.4-9.1.el7rhgsctdb-devel-0:4.2.4-9.1.el7rhgs.x86_64.rpm
Red Hat Enterprise Linux7x86_64ctdb-tests0:4.2.4-9.1.el7rhgsctdb-tests-0:4.2.4-9.1.el7rhgs.x86_64.rpm
Red Hat Enterprise Linux7x86_64libsmbclient0:4.2.4-9.1.el7rhgslibsmbclient-0:4.2.4-9.1.el7rhgs.x86_64.rpm
Red Hat Enterprise Linux7x86_64libsmbclient-devel0:4.2.4-9.1.el7rhgslibsmbclient-devel-0:4.2.4-9.1.el7rhgs.x86_64.rpm
Red Hat Enterprise Linux7x86_64libwbclient0:4.2.4-9.1.el7rhgslibwbclient-0:4.2.4-9.1.el7rhgs.x86_64.rpm
Red Hat Enterprise Linux7x86_64libwbclient-devel0:4.2.4-9.1.el7rhgslibwbclient-devel-0:4.2.4-9.1.el7rhgs.x86_64.rpm
Red Hat Enterprise Linux7x86_64samba0:4.2.4-9.1.el7rhgssamba-0:4.2.4-9.1.el7rhgs.x86_64.rpm
Red Hat Enterprise Linux7x86_64samba-client0:4.2.4-9.1.el7rhgssamba-client-0:4.2.4-9.1.el7rhgs.x86_64.rpm
Red Hat Enterprise Linux7x86_64samba-client-libs0:4.2.4-9.1.el7rhgssamba-client-libs-0:4.2.4-9.1.el7rhgs.x86_64.rpm
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21 Nov 2025 17:54Current
6.7Medium risk
Vulners AI Score6.7
CVSS 24.3
CVSS 3.15.4
EPSS0.0729
CWE-345
Sambadowngrade attackencryptionconnection signingman in middleplain textremote attacker
3