CVE-2016-5696

4.8 MEDIUM
Published: August 06, 2016 Modified: May 06, 2026
View on NVD

Description

net/ipv4/tcp_input.c in the Linux kernel before 4.7 does not properly determine the rate of challenge ACK segments, which makes it easier for remote attackers to hijack TCP sessions via a blind in-window attack.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://source.android.com/security/bulletin/2016-10-01.html
Source: cve@mitre.org
Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/07/12/2
Source: cve@mitre.org
Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1354708
Source: cve@mitre.org
Issue Tracking
https://github.com/Gnoxter/mountain_goat
Source: cve@mitre.org
Exploit Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1631.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2016-1632.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2016-1633.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2016-1657.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2016-1664.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2016-1814.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2016-1815.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2016-1939.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://source.android.com/security/bulletin/2016-10-01.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/07/12/2
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.securityfocus.com/bid/91704
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securitytracker.com/id/1036625
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-3070-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-3070-2
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-3070-3
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-3070-4
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-3071-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-3071-2
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-3072-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-3072-2
Source: af854a3a-2127-422b-91ae-364da2661108
https://bto.bluecoat.com/security-advisory/sa131
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugzilla.redhat.com/show_bug.cgi?id=1354708
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking
https://github.com/Gnoxter/mountain_goat
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory
https://github.com/torvalds/linux/commit/75ff39ccc1bd5d3c455b6822ab09e533c551f758
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch
https://kc.mcafee.com/corporate/index?page=content&id=SB10167
Source: af854a3a-2127-422b-91ae-364da2661108
https://security.paloaltonetworks.com/CVE-2016-5696
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.usenix.org/system/files/conference/usenixsecurity16/sec16_paper_cao.pdf
Source: af854a3a-2127-422b-91ae-364da2661108
Technical Description

64 reference(s) from NVD

Quick Stats

CVSS v3 Score
4.8 / 10.0
EPSS (Exploit Probability)
52.0%
98th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

linux oracle google