CVE-2019-5599

Advisory lineage Upstream: 0 Downstream: 3
Modified
Published: 02 Jul 2019, 20:02
Last modified:04 Aug 2024, 20:01

Vulnerability Summary

Overall Risk (default)
medium
33/100
CVSS Score
7.8 HIGH
v2.0 (nvd)
EPSS Score
9.31% LOW
9% probability -0.49%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

02 Jul 2019, 20:02
Published
Vulnerability first disclosed
04 Aug 2024, 20:01
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.0HIGHScore: 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • v2.0HIGHScore: 7.8AV:N/AC:L/Au:N/C:N/I:N/A:C

EPSS Trends

Current EPSS score: 9.31% Percentile: 93%

Techniques & Countermeasures

  • CWE-770Allocation of Resources Without Limits or Throttling

    The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.

Affected Systems

  • freebsdfreebsd

    12.0 | 12.0:p1 | 12.0:p2 | 12.0:p3 | 12.0:p4 | 12.0:p5

References (10)