CVE-2016-2111

The NETLOGON service in Samba 3.x and 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2, when a domain controller is configured, allows remote attackers to spoof the computer name of a secure channel's endpoint, and obtain sensitive session information, by running a crafted application and leveraging the ability to sniff network traffic, a related issue to CVE-2015-0005.

• CWE-254

• http://badlock.org/
• http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182185.html
• http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182272.html
• http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182288.html
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00020.html
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00021.html
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00022.html
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00023.html
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00024.html
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00046.html
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html
• http://rhn.redhat.com/errata/RHSA-2016-0611.html
• http://rhn.redhat.com/errata/RHSA-2016-0612.html
• http://rhn.redhat.com/errata/RHSA-2016-0613.html
• http://rhn.redhat.com/errata/RHSA-2016-0614.html
• http://rhn.redhat.com/errata/RHSA-2016-0618.html
• http://rhn.redhat.com/errata/RHSA-2016-0619.html
• http://rhn.redhat.com/errata/RHSA-2016-0620.html
• http://rhn.redhat.com/errata/RHSA-2016-0621.html
• http://rhn.redhat.com/errata/RHSA-2016-0623.html
• http://rhn.redhat.com/errata/RHSA-2016-0624.html
• http://rhn.redhat.com/errata/RHSA-2016-0625.html
• http://www.debian.org/security/2016/dsa-3548
• http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
• http://www.securitytracker.com/id/1035533
• http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.458012
• http://www.ubuntu.com/usn/USN-2950-1
• http://www.ubuntu.com/usn/USN-2950-2
• http://www.ubuntu.com/usn/USN-2950-3
• http://www.ubuntu.com/usn/USN-2950-4
• http://www.ubuntu.com/usn/USN-2950-5Third Party Advisory
• https://bto.bluecoat.com/security-advisory/sa122
• https://h20566.www2.hpe.com/hpsc/doc/public/display?docId=emr_na-c05087821
• https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05082964Third Party Advisory
• https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05162399Third Party Advisory
• https://security.gentoo.org/glsa/201612-47
• https://www.samba.org/samba/history/samba-4.2.10.html
• https://www.samba.org/samba/latest_news.html#4.4.2
• https://www.samba.org/samba/security/CVE-2016-2111.htmlPatch, Vendor Advisory
• http://badlock.org/
• http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182185.html
• http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182272.html
• http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182288.html
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00020.html
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00021.html
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00022.html
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00023.html
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00024.html
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00046.html
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html
• http://rhn.redhat.com/errata/RHSA-2016-0611.html
• http://rhn.redhat.com/errata/RHSA-2016-0612.html
• http://rhn.redhat.com/errata/RHSA-2016-0613.html
• http://rhn.redhat.com/errata/RHSA-2016-0614.html
• http://rhn.redhat.com/errata/RHSA-2016-0618.html
• http://rhn.redhat.com/errata/RHSA-2016-0619.html
• http://rhn.redhat.com/errata/RHSA-2016-0620.html
• http://rhn.redhat.com/errata/RHSA-2016-0621.html
• http://rhn.redhat.com/errata/RHSA-2016-0623.html
• http://rhn.redhat.com/errata/RHSA-2016-0624.html
• http://rhn.redhat.com/errata/RHSA-2016-0625.html
• http://www.debian.org/security/2016/dsa-3548
• http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
• http://www.securitytracker.com/id/1035533
• http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.458012
• http://www.ubuntu.com/usn/USN-2950-1
• http://www.ubuntu.com/usn/USN-2950-2
• http://www.ubuntu.com/usn/USN-2950-3
• http://www.ubuntu.com/usn/USN-2950-4
• http://www.ubuntu.com/usn/USN-2950-5Third Party Advisory
• https://bto.bluecoat.com/security-advisory/sa122
• https://h20566.www2.hpe.com/hpsc/doc/public/display?docId=emr_na-c05087821
• https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05082964Third Party Advisory
• https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05162399Third Party Advisory
• https://security.gentoo.org/glsa/201612-47
• https://www.samba.org/samba/history/samba-4.2.10.html
• https://www.samba.org/samba/latest_news.html#4.4.2
• https://www.samba.org/samba/security/CVE-2016-2111.htmlPatch, Vendor Advisory

Published

Apr 25, 2016

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2016-2105Integer overflow in the EVP_EncodeUpdate function in crypto/…7.5
• CVE-2016-2106Integer overflow in the EVP_EncryptUpdate function in crypto…
• CVE-2016-2107The AES-NI implementation in OpenSSL before 1.0.1t and 1.0.2…5.9
• CVE-2016-2108The ASN.1 implementation in OpenSSL before 1.0.1o and 1.0.2 …
• CVE-2016-2109The asn1_d2i_read_bio function in crypto/asn1/a_d2i_fp.c in …
• CVE-2016-2110The NTLMSSP authentication implementation in Samba 3.x and 4…
• CVE-2016-2112The bundled LDAP client library in Samba 3.x and 4.x before …
• CVE-2016-2113Samba 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x befor…
• CVE-2016-2114The SMB1 protocol implementation in Samba 4.x before 4.2.11,…
• CVE-2016-2115Samba 3.x and 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4…
• CVE-2016-2116Memory leak in the jas_iccprof_createfrombuf function in Jas…
• CVE-2016-2117The atl2_probe function in drivers/net/ethernet/atheros/atlx…