Cryptographic Issues Affecting samba package, versions <0:4.6.2-11.36.amzn1
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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- published27 Sept 2021
- disclosed27 Jul 2018
Introduced: 27 Jul 2018
CVE-2017-12151 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2018.03 samba to version 0:4.6.2-11.36.amzn1 or higher.
This issue was patched in ALAS-2017-909.
NVD Description
Note: Versions mentioned in the description apply only to the upstream samba package and not the samba package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2018.03 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
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12151
- https://www.debian.org/security/2017/dsa-3983
- https://access.redhat.com/errata/RHSA-2017:2790
- https://access.redhat.com/errata/RHSA-2017:2858
- http://www.securitytracker.com/id/1039401