National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-5599 Detail

Current Description

In FreeBSD 12.0-STABLE before r349197 and 12.0-RELEASE before 12.0-RELEASE-p6, a bug in the non-default RACK TCP stack can allow an attacker to cause several linked lists to grow unbounded and cause an expensive list traversal on every packet being processed, leading to resource exhaustion and a denial of service.

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 (V3.0 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://packetstormsecurity.com/files/153329/Linux-FreeBSD-TCP-Based-Denial-Of-Service.html Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/153378/FreeBSD-Security-Advisory-FreeBSD-SA-19-08.rack.html Third Party Advisory VDB Entry
http://www.openwall.com/lists/oss-security/2019/06/17/5 Mailing List Third Party Advisory
https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-001.md Mitigation Third Party Advisory
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44193 Third Party Advisory
https://seclists.org/bugtraq/2019/Jun/27 Mailing List Mitigation Patch Third Party Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:08.rack.asc Mitigation Vendor Advisory
https://security.netapp.com/advisory/ntap-20190625-0004/ Third Party Advisory
https://support.f5.com/csp/article/K75521003 Third Party Advisory
https://www.kb.cert.org/vuls/id/905115 Third Party Advisory US Government Resource

Technical Details

Vulnerability Type (View All)

  • Uncontrolled Resource Consumption (CWE-400)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:freebsd:freebsd:12.0:-:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:freebsd:freebsd:12.0:p1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:freebsd:freebsd:12.0:p2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:freebsd:freebsd:12.0:p3:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:freebsd:freebsd:12.0:p4:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:freebsd:freebsd:12.0:p5:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-5599
NVD Published Date:
07/02/2019
NVD Last Modified:
07/15/2019