CVE-2016-5696

CVSS V2 Medium 5.8 CVSS V3 Medium 4.8

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.

Overview

CVE ID
CVE-2016-5696

Assigner
cve@mitre.org

Vulnerability Status
Modified

Published Version
2016-08-06T20:59:05

Last Modified Date
2021-11-17T22:15:54

Weakness Enumerations

CWE	URL
CWE-200	http://cwe.mitre.org/data/definitions/200.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version End
cpe:2.3:o:google:android::::::::	1	OR	7.0
cpe:2.3:a:oracle:vm_server:3.3:::::::*	1	OR
cpe:2.3:a:oracle:vm_server:3.4:::::::*	1	OR
cpe:2.3:o:linux:linux_kernel::::::::	1	OR	4.6.6

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:M/Au:N/C:N/I:P/A:P

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
5.8

Severity
MEDIUM

Exploitability Score
8.6

Impact Score
4.9

CVSS Version 3

Version
3.0

Vector String
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

Attack Vector
NETWORK

Attack Compatibility
HIGH

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
LOW

Base Score
4.8

Base Severity
MEDIUM

Exploitability Score
2.2

Impact Score
2.5

References

Reference URL	Reference Tags
https://github.com/torvalds/linux/commit/75ff39ccc1bd5d3c455b6822ab09e533c551f758	Issue Tracking Patch
https://bugzilla.redhat.com/show_bug.cgi?id=1354708	Issue Tracking
http://www.openwall.com/lists/oss-security/2016/07/12/2	Mailing List Third Party Advisory
http://www.prnewswire.com/news-releases/mitnick-attack-reappears-at-geekpwn-macau-contest-300270779.html	Technical Description
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=75ff39ccc1bd5d3c455b6822ab09e533c551f758	Issue Tracking Patch
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html	Vendor Advisory
https://github.com/Gnoxter/mountain_goat	Exploit Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html	Third Party Advisory
http://source.android.com/security/bulletin/2016-10-01.html	Third Party Advisory
https://www.usenix.org/system/files/conference/usenixsecurity16/sec16_paper_cao.pdf	Technical Description
http://www.ubuntu.com/usn/USN-3072-2
http://www.ubuntu.com/usn/USN-3071-1
http://rhn.redhat.com/errata/RHSA-2016-1657.html
http://www.securityfocus.com/bid/91704
http://www.securitytracker.com/id/1036625
http://www.ubuntu.com/usn/USN-3070-3
http://www.ubuntu.com/usn/USN-3070-2
http://rhn.redhat.com/errata/RHSA-2016-1633.html
http://rhn.redhat.com/errata/RHSA-2016-1631.html
http://rhn.redhat.com/errata/RHSA-2016-1632.html
http://www.ubuntu.com/usn/USN-3072-1
https://kc.mcafee.com/corporate/index?page=content&id=SB10167
http://www.ubuntu.com/usn/USN-3070-4
http://rhn.redhat.com/errata/RHSA-2016-1664.html
http://www.ubuntu.com/usn/USN-3070-1
http://rhn.redhat.com/errata/RHSA-2016-1814.html
http://rhn.redhat.com/errata/RHSA-2016-1815.html
http://www.ubuntu.com/usn/USN-3071-2
https://bto.bluecoat.com/security-advisory/sa131
http://rhn.redhat.com/errata/RHSA-2016-1939.html
https://security.paloaltonetworks.com/CVE-2016-5696
https://www.arista.com/en/support/advisories-notices/security-advisories/1461-security-advisory-23

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2016-5696
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5696

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:46:00				Added to TrackCVE
2022-12-02 10:47:16	2016-08-06T20:59Z	2016-08-06T20:59:05	CVE Published Date	updated
2022-12-02 10:47:16		2021-11-17T22:15:54	CVE Modified Date	updated
2022-12-02 10:47:16		Modified	Vulnerability Status	updated