VulnerabilityModified
CVE-2016-2115
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 does not require SMB signing within a DCERPC session over ncacn_np, which allows man-in-the-middle attackers to spoof SMB clients by modifying the client-server data stream.
MEDIUM 5.9EPSS 10.2%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 10.2%, higher than 95% of all known CVEs. Patch or mitigate before the next change window.
Description
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 does not require SMB signing within a DCERPC session over ncacn_np, which allows man-in-the-middle attackers to spoof SMB clients by modifying the client-server data stream.
- CVSS 3.0
- 5.9 MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 10.23% probability · 95th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-254
- Affected
- canonical/ubuntu linux · samba/samba
- Source
- secalert@redhat.com
References
- 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/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-2016-0624.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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.