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Vulnerability Details : CVE-2016-5696

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.
Publish Date : 2016-08-06 Last Update Date : 2021-11-17
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- CVSS Scores & Vulnerability Types

CVSS Score
5.8
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Obtain Information
CWE ID 200

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2016:1632: kernel-rt security and bug fix update (Important) oval:com.redhat.rhsa:def:20161632 unix
RHSA-2016:1633: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20161633 unix
RHSA-2016:1664: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20161664 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2016-5696

# Product Type Vendor Product Version Update Edition Language
1 OS Google Android * * * * Version Details Vulnerabilities
2 OS Linux Linux Kernel * * * * Version Details Vulnerabilities
3 Application Oracle Vm Server 3.3 * * * Version Details Vulnerabilities
4 Application Oracle Vm Server 3.4 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Google Android 1
Linux Linux Kernel 1
Oracle Vm Server 2

- References For CVE-2016-5696

http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html CONFIRM
https://www.arista.com/en/support/advisories-notices/security-advisories/1461-security-advisory-23
http://www.ubuntu.com/usn/USN-3071-2
UBUNTU USN-3071-2
https://security.paloaltonetworks.com/CVE-2016-5696 CONFIRM
https://github.com/torvalds/linux/commit/75ff39ccc1bd5d3c455b6822ab09e533c551f758 CONFIRM
http://rhn.redhat.com/errata/RHSA-2016-1939.html
REDHAT RHSA-2016:1939
https://bto.bluecoat.com/security-advisory/sa131 CONFIRM
http://rhn.redhat.com/errata/RHSA-2016-1815.html
REDHAT RHSA-2016:1815
http://rhn.redhat.com/errata/RHSA-2016-1814.html
REDHAT RHSA-2016:1814
http://www.ubuntu.com/usn/USN-3070-1
UBUNTU USN-3070-1
http://www.ubuntu.com/usn/USN-3070-4
UBUNTU USN-3070-4
http://rhn.redhat.com/errata/RHSA-2016-1664.html
REDHAT RHSA-2016:1664
http://www.ubuntu.com/usn/USN-3072-1
UBUNTU USN-3072-1
https://kc.mcafee.com/corporate/index?page=content&id=SB10167 CONFIRM
http://rhn.redhat.com/errata/RHSA-2016-1632.html
REDHAT RHSA-2016:1632
http://rhn.redhat.com/errata/RHSA-2016-1631.html
REDHAT RHSA-2016:1631
http://rhn.redhat.com/errata/RHSA-2016-1633.html
REDHAT RHSA-2016:1633
http://www.ubuntu.com/usn/USN-3070-3
UBUNTU USN-3070-3
http://www.ubuntu.com/usn/USN-3070-2
UBUNTU USN-3070-2
http://www.securityfocus.com/bid/91704
BID 91704 Linux Kernel 'Ack Challenge' Information Disclosure Vulnerability Release Date:2017-07-04
http://www.securitytracker.com/id/1036625
SECTRACK 1036625
https://bugzilla.redhat.com/show_bug.cgi?id=1354708 CONFIRM
http://www.openwall.com/lists/oss-security/2016/07/12/2
MLIST [oss-security] 20160712 Re: CVE-2016-5389: linux kernel - challange ack information leak.
http://www.ubuntu.com/usn/USN-3072-2
UBUNTU USN-3072-2
http://www.ubuntu.com/usn/USN-3071-1
UBUNTU USN-3071-1
https://www.usenix.org/system/files/conference/usenixsecurity16/sec16_paper_cao.pdf
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html CONFIRM
http://source.android.com/security/bulletin/2016-10-01.html CONFIRM
https://github.com/Gnoxter/mountain_goat
http://www.prnewswire.com/news-releases/mitnick-attack-reappears-at-geekpwn-macau-contest-300270779.html
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=75ff39ccc1bd5d3c455b6822ab09e533c551f758 CONFIRM
http://rhn.redhat.com/errata/RHSA-2016-1657.html
REDHAT RHSA-2016:1657

- Metasploit Modules Related To CVE-2016-5696

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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