CVE-2016-2112

Impact:
Moderate
Public Date:
2016-04-12
CWE:
CWE-300
Bugzilla:
1311903: CVE-2016-2112 samba: Missing downgrade detection
It was found that Samba's LDAP implementation did not enforce integrity protection for LDAP connections. A man-in-the-middle attacker could use this flaw to downgrade LDAP connections to use no integrity protection, allowing them to hijack such connections.

Find out more about CVE-2016-2112 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 5.8
Base Metrics AV:N/AC:M/Au:N/C:P/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact None

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux Extended Update Support 7.1 (samba) RHSA-2016:0618 2016-04-13
Red Hat Enterprise Linux Extended Update Support 6.6 (samba) RHSA-2016:0619 2016-04-12
Red Hat Gluster 3 Samba on RHEL-6 (samba) RHSA-2016:0614 2016-04-12
Red Hat Enterprise Linux Advanced Update Support 6.5 (samba) RHSA-2016:0619 2016-04-12
Red Hat Enterprise Linux 6 (samba4) RHSA-2016:0612 2016-04-13
Red Hat Enterprise Linux Advanced Update Support 6.2 (samba) RHSA-2016:0619 2016-04-12
Red Hat Enterprise Linux 6 (samba) RHSA-2016:0611 2016-04-12
Red Hat Gluster 3 Samba on RHEL-7 (samba) RHSA-2016:0614 2016-04-12
Red Hat Enterprise Linux Advanced Update Support 6.4 (samba4) RHSA-2016:0620 2016-04-12
Red Hat Enterprise Linux Long Life (v. 5.9 server) (samba3x) RHSA-2016:0624 2016-04-12
Red Hat Gluster Storage Server 3.1 on RHEL-6 (libldb) RHSA-2016:0614 2016-04-12
Red Hat Enterprise Linux Advanced Update Support 6.5 (samba4) RHSA-2016:0620 2016-04-12
Red Hat Enterprise Linux 5 (samba3x) RHSA-2016:0613 2016-04-12
Red Hat Enterprise Linux Advanced Update Support 6.2 (samba4) RHSA-2016:0620 2016-04-12
Red Hat Enterprise Linux 7 (samba) RHSA-2016:0612 2016-04-13
Red Hat Enterprise Linux Extended Update Support 6.6 (samba4) RHSA-2016:0620 2016-04-12
Red Hat Enterprise Linux Advanced Update Support 6.4 (samba) RHSA-2016:0619 2016-04-12
Red Hat Enterprise Linux Long Life (v. 5.6 server) (samba3x) RHSA-2016:0624 2016-04-12

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 samba Not affected
Red Hat Enterprise Linux 4 samba Not affected

Acknowledgements

Red Hat would like to thank the Samba project for reporting this issue. Upstream acknowledges Stefan Metzmacher (SerNet) as the original reporter.

External References

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