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.
Published: 2015-12-29
Score: 5.4 Medium
EPSS: 3.7% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-379-1 samba security update
Debian DSA Debian DSA DSA-3433-1 samba security update
EUVD EUVD EUVD-2015-5273 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.
Ubuntu USN Ubuntu USN USN-2855-1 Samba vulnerabilities
References
Link Providers
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174076.html cve-icon cve-icon
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174391.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00019.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00020.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00032.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00002.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00017.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html cve-icon cve-icon
http://www.debian.org/security/2016/dsa-3433 cve-icon cve-icon
http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html cve-icon cve-icon
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html cve-icon cve-icon
http://www.securityfocus.com/bid/79732 cve-icon cve-icon
http://www.securitytracker.com/id/1034493 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2855-1 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2855-2 cve-icon cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=1290292 cve-icon cve-icon
https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=1ba49b8f389eda3414b14410c7fbcb4041ca06b1 cve-icon cve-icon
https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=a819d2b440aafa3138d95ff6e8b824da885a70e9 cve-icon cve-icon
https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=d724f835acb9f4886c0001af32cd325dbbf1f895 cve-icon cve-icon
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05115993 cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2015-5296 cve-icon
https://security.gentoo.org/glsa/201612-47 cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2015-5296 cve-icon
https://www.samba.org/samba/security/CVE-2015-5296.html cve-icon cve-icon cve-icon
History

No history.

Subscriptions

Canonical Ubuntu Linux
Debian Debian Linux
Redhat Enterprise Linux Storage
Samba Samba
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-06T06:41:09.517Z

Reserved: 2015-07-01T00:00:00.000Z

Link: CVE-2015-5296

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2015-12-29T22:59:02.247

Modified: 2026-05-06T22:30:45.220

Link: CVE-2015-5296

cve-icon Redhat

Severity : Moderate

Publid Date: 2015-12-16T00:00:00Z

Links: CVE-2015-5296 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses