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
- v3.0•HIGH•Score: 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- v2.0•HIGH•Score: 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-770•Allocation 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
- freebsd•freebsd
12.0 | 12.0:p1 | 12.0:p2 | 12.0:p3 | 12.0:p4 | 12.0:p5
References (10)
- http://www.openwall.com/lists/oss-security/2019/06/17/5
- https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-001.md
- http://packetstormsecurity.com/files/153329/Linux-FreeBSD-TCP-Based-Denial-Of-Service.html
- https://security.FreeBSD.org/advisories/FreeBSD-SA-19:08.rack.asc
- https://www.kb.cert.org/vuls/id/905115
- https://seclists.org/bugtraq/2019/Jun/27
- http://packetstormsecurity.com/files/153378/FreeBSD-Security-Advisory-FreeBSD-SA-19-08.rack.html
- https://support.f5.com/csp/article/K75521003
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44193
- https://security.netapp.com/advisory/ntap-20190625-0004/