National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2015-5296 Detail

Current Description

Samba 3.x and 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3 supports connections that are encrypted but unsigned, which allows man-in-the-middle attackers to conduct encrypted-to-unencrypted downgrade attacks by modifying the client-server data stream, related to clidfs.c, libsmb_server.c, and smbXcli_base.c.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.4 MEDIUM
Vector: AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N (V3 legend)
Impact Score: 2.7
Exploitability Score: 2.2


Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): None
Additional Information:
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174076.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174391.html
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00019.html
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00020.html
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00032.html
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.html
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00017.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html
http://www.debian.org/security/2016/dsa-3433
http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
http://www.securityfocus.com/bid/79732
http://www.securitytracker.com/id/1034493
http://www.ubuntu.com/usn/USN-2855-1
http://www.ubuntu.com/usn/USN-2855-2
https://bugzilla.redhat.com/show_bug.cgi?id=1290292
https://git.samba.org/?p=samba.git;a=commit;h=1ba49b8f389eda3414b14410c7fbcb4041ca06b1
https://git.samba.org/?p=samba.git;a=commit;h=a819d2b440aafa3138d95ff6e8b824da885a70e9
https://git.samba.org/?p=samba.git;a=commit;h=d724f835acb9f4886c0001af32cd325dbbf1f895
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05115993
https://security.gentoo.org/glsa/201612-47
https://www.samba.org/samba/security/CVE-2015-5296.html Vendor Advisory

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:samba:samba:3.0.2a:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.3:*:*:*:*:*:*:*
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 cpe:2.3:a:samba:samba:3.0.4:*:*:*:*:*:*:*
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 cpe:2.3:a:samba:samba:3.0.4:rc1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.6:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.7:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.8:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.9:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.25:b:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.25:c:*:*:*:*:*:*
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 cpe:2.3:a:samba:samba:3.0.25:pre1:*:*:*:*:*:*
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 cpe:2.3:a:samba:samba:3.0.25:pre2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.25:rc1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.25:rc2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.25:rc3:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.25a:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.25b:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.25c:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.26:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.26:a:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.26a:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.27:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.27:a:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.27a:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.28:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.28:a:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.28a:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.29:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.30:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.31:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.32:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.33:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.34:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.35:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.36:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.0.37:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.1.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.1.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.2.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.2.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.2.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.2.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.2.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.2.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.2.6:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.2.7:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.2.8:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.2.9:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.2.10:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.2.11:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.2.12:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.2.13:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.2.14:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.2.15:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:3.3.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.0.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.0.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.0.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.0.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.0.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.0.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.0.6:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.0.7:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.0.8:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.0.9:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.0.10:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.0.11:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.0.12:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.0.13:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.0.14:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.0.15:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.0.16:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.0.17:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.0.18:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.0.19:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.0.20:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.0.21:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.0.22:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.0.23:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.0.24:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.1.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.1.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.1.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.1.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.1.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.1.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.1.6:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.1.7:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.1.8:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.1.9:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.1.10:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.1.11:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.1.12:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.1.13:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.1.14:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.1.15:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.1.16:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:samba:samba:4.1.17:*:*:*:*:*:*:*
     Show Matching CPE(s)

Showing 100 of 115 CPEs, view all CPEs here.

Change History

14 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-5296
NVD Published Date:
12/29/2015
NVD Last Modified:
10/30/2018