CVE-2016-5696 Detail

Current 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.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  4.8 MEDIUM
Vector:  CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=75ff39ccc1bd5d3c455b6822ab09e533c551f758 Issue Tracking  Patch 
http://rhn.redhat.com/errata/RHSA-2016-1631.html
http://rhn.redhat.com/errata/RHSA-2016-1632.html
http://rhn.redhat.com/errata/RHSA-2016-1633.html
http://rhn.redhat.com/errata/RHSA-2016-1657.html
http://rhn.redhat.com/errata/RHSA-2016-1664.html
http://rhn.redhat.com/errata/RHSA-2016-1814.html
http://rhn.redhat.com/errata/RHSA-2016-1815.html
http://rhn.redhat.com/errata/RHSA-2016-1939.html
http://source.android.com/security/bulletin/2016-10-01.html Third Party Advisory 
http://www.openwall.com/lists/oss-security/2016/07/12/2 Mailing List  Third Party Advisory 
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html Third Party Advisory 
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html Vendor Advisory 
http://www.prnewswire.com/news-releases/mitnick-attack-reappears-at-geekpwn-macau-contest-300270779.html Technical Description 
http://www.securityfocus.com/bid/91704
http://www.securitytracker.com/id/1036625
http://www.ubuntu.com/usn/USN-3070-1
http://www.ubuntu.com/usn/USN-3070-2
http://www.ubuntu.com/usn/USN-3070-3
http://www.ubuntu.com/usn/USN-3070-4
http://www.ubuntu.com/usn/USN-3071-1
http://www.ubuntu.com/usn/USN-3071-2
http://www.ubuntu.com/usn/USN-3072-1
http://www.ubuntu.com/usn/USN-3072-2
https://bto.bluecoat.com/security-advisory/sa131
https://bugzilla.redhat.com/show_bug.cgi?id=1354708 Issue Tracking 
https://github.com/Gnoxter/mountain_goat Exploit  Third Party Advisory 
https://github.com/torvalds/linux/commit/75ff39ccc1bd5d3c455b6822ab09e533c551f758 Issue Tracking  Patch 
https://kc.mcafee.com/corporate/index?page=content&id=SB10167
https://security.paloaltonetworks.com/CVE-2016-5696
https://www.usenix.org/system/files/conference/usenixsecurity16/sec16_paper_cao.pdf Technical Description 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor cwe source acceptance level NIST  

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Change History

21 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-5696
NVD Published Date:
08/06/2016
NVD Last Modified:
01/04/2018
Source:
MITRE