National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-5972 Detail

Current Description

The TCP stack in the Linux kernel 3.x does not properly implement a SYN cookie protection mechanism for the case of a fast network connection, which allows remote attackers to cause a denial of service (CPU consumption) by sending many TCP SYN packets, as demonstrated by an attack against the kernel-3.10.0 package in CentOS Linux 7. NOTE: third parties have been unable to discern any relationship between the GitHub Engineering finding and the Trigemini.c attack code.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 3.9


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://seclists.org/oss-sec/2017/q1/573
http://www.securityfocus.com/bid/96231
https://access.redhat.com/security/cve/cve-2017-5972
https://bugzilla.redhat.com/show_bug.cgi?id=1422081
https://cxsecurity.com/issue/WLB-2017020112
https://githubengineering.com/syn-flood-mitigation-with-synsanity/
https://packetstormsecurity.com/files/141083/CentOS7-Kernel-Denial-Of-Service.html
https://security-tracker.debian.org/tracker/CVE-2017-5972
https://www.exploit-db.com/exploits/41350/

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:3.0:rc1:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0:rc3:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0:rc4:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0:rc5:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0:rc6:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0:rc7:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.1:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.2:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.4:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.5:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.6:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.7:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.8:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.10:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.11:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.12:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.13:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.15:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.16:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.17:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.18:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.19:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.20:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.21:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.22:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.23:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.27:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.28:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.31:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.32:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.33:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.34:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.35:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.36:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.37:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.38:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.39:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.40:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.41:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.42:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.43:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.44:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.45:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.46:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.47:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.48:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.49:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.50:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.51:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.52:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.53:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.54:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.55:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.56:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.57:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.58:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.59:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.60:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.61:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.62:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.63:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.64:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.65:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.66:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.67:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.68:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.69:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.70:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.71:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.72:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.73:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.74:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.75:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.76:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.77:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.78:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.79:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.80:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.81:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.82:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.83:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.84:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.85:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.86:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.87:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.88:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.89:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.90:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.91:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.92:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.93:*:*:*:*:*:*:*
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 cpe:2.3:o:linux:linux_kernel:3.0.94:*:*:*:*:*:*:*
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Showing 100 of 698 CPEs, view all CPEs here.

Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-5972
NVD Published Date:
02/14/2017
NVD Last Modified:
05/10/2017