Man-in-the-Middle (MitM) Affecting samba-common package, versions <0:4.6.2-11.el7_4
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published26 Jul 2021
- disclosed20 Sept 2017
Introduced: 20 Sep 2017
CVE-2017-12151 (opens in a new tab)How to fix?
Upgrade RHEL:7 samba-common to version 0:4.6.2-11.el7_4 or higher.
This issue was patched in RHSA-2017:2790.
NVD Description
Note: Versions mentioned in the description apply only to the upstream samba-common package and not the samba-common package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
A flaw was found in the way samba client before samba 4.4.16, samba 4.5.14 and samba 4.6.8 used encryption with the max protocol set as SMB3. The connection could lose the requirement for signing and encrypting to any DFS redirects, allowing an attacker to read or alter the contents of the connection via a man-in-the-middle attack.
References
- http://www.securityfocus.com/bid/100917
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12151
- https://security.netapp.com/advisory/ntap-20170921-0001/
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03817en_us
- https://www.samba.org/samba/security/CVE-2017-12151.html
- https://access.redhat.com/security/cve/CVE-2017-12151
- https://www.debian.org/security/2017/dsa-3983
- https://access.redhat.com/errata/RHSA-2017:2790
- http://www.securitytracker.com/id/1039401