Vulnerability Description
libcli/smb/smbXcli_base.c in Samba 4.x before 4.2.14, 4.3.x before 4.3.11, and 4.4.x before 4.4.5 allows man-in-the-middle attackers to bypass a client-signing protection mechanism, and consequently spoof SMB2 and SMB3 servers, via the (1) SMB2_SESSION_FLAG_IS_GUEST or (2) SMB2_SESSION_FLAG_IS_NULL flag.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Samba | Samba | >= 4.0.0, < 4.2.14 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-updates/2016-07/msg00060.htmlMailing ListThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1486.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1487.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1494.htmlThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.hThird Party Advisory
- http://www.securityfocus.com/bid/91700Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1036244Third Party AdvisoryVDB Entry
- https://security.gentoo.org/glsa/201805-07Third Party Advisory
- https://www.samba.org/samba/security/CVE-2016-2119.htmlVendor Advisory
- http://lists.opensuse.org/opensuse-updates/2016-07/msg00060.htmlMailing ListThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1486.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1487.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1494.htmlThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.hThird Party Advisory
- http://www.securityfocus.com/bid/91700Third Party AdvisoryVDB Entry
FAQ
What is CVE-2016-2119?
CVE-2016-2119 is a vulnerability with a CVSS score of 7.5 (HIGH). libcli/smb/smbXcli_base.c in Samba 4.x before 4.2.14, 4.3.x before 4.3.11, and 4.4.x before 4.4.5 allows man-in-the-middle attackers to bypass a client-signing protection mechanism, and consequently s...
How severe is CVE-2016-2119?
CVE-2016-2119 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-2119?
Check the references section above for vendor advisories and patch information. Affected products include: Samba Samba.