Medium severity · published Feb 26, 2019
CVE-2019-6594
On BIG-IP 11.5.1-11.6.3.2, 12.1.3.4-12.1.3.7, 13.0.0 HF1-13.1.1.1, and 14.0.0-14.0.0.2, Multi-Path TCP (MPTCP) does not protect against multiple zero length DATA_FINs in the…
5.9
CVSS
1%
EPSS
No
On KEV
Description
On BIG-IP 11.5.1-11.6.3.2, 12.1.3.4-12.1.3.7, 13.0.0 HF1-13.1.1.1, and 14.0.0-14.0.0.2, Multi-Path TCP (MPTCP) does not protect against multiple zero length DATA_FINs in the reassembly queue, which can lead to an infinite loop in some circumstances.
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BL
BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, FPS, GTM, Link Controller, PEM, WebAccelerator) · F5 Networks, Inc.
11.5.1-11.6.3.2, 12.1.3.4-12.1.3.7, 13.0.0 HF1-13.1.1.1, 14.0.0-14.0.0.2 · source: vendor
BA
Big-ip Access Policy Manager · F5
11.5.3 through 11.6.3.2; 12.1.3.4 through 12.1.3.7; 13.0.1 through 13.1.1.1; 14.0.0 through 14.0.0.2; 13.0.0; 13.0.0; +8 more · source: NVD
BA
Big-ip Advanced Firewall Manager · F5
11.5.1 through 11.6.3.2; 12.1.3.4 through 12.1.3.7; 13.0.1 through 13.1.1.1; 14.0.0 through 14.0.0.2; 13.0.0; 13.0.0; +1 more · source: NVD
BA
Big-ip Analytics · F5
11.5.1 through 11.6.3.2; 12.1.3.4 through 12.1.3.7; 13.0.1 through 13.1.1.1; 14.0.0 through 14.0.0.2; 13.0.0; 13.0.0; +1 more · source: NVD
BA
Big-ip Application Security Manager · F5
11.5.1 through 11.6.3.2; 12.1.3.4 through 12.1.3.7; 13.0.1 through 13.1.1.1; 14.0.0 through 14.0.0.2; 13.0.0; 13.0.0; +1 more · source: NVD
BD
Big-ip Domain Name System · F5
11.5.1 through 11.6.3.2; 12.1.3.4 through 12.1.3.7; 13.0.1 through 13.1.1.1; 14.0.0 through 14.0.0.2; 13.0.0; 13.0.0; +1 more · source: NVD
BE
Big-ip Edge Gateway · F5
11.5.1 through 11.6.3.2; 12.1.3.4 through 12.1.3.7; 13.0.1 through 13.1.1.1; 14.0.0 through 14.0.0.2; 13.0.0; 13.0.0; +1 more · source: NVD
BF
Big-ip Fraud Protection Service · F5
11.5.1 through 11.6.3.2; 12.1.3.4 through 12.1.3.7; 13.0.1 through 13.1.1.1; 14.0.0 through 14.0.0.2; 13.0.0; 13.0.0; +1 more · source: NVD
BG
Big-ip Global Traffic Manager · F5
11.5.1 through 11.6.3.2; 12.1.3.4 through 12.1.3.7; 13.0.1 through 13.1.1.1; 14.0.0 through 14.0.0.2; 13.0.0; 13.0.0; +1 more · source: NVD
BL
Big-ip Link Controller · F5
11.5.1 through 11.6.3.2; 12.1.3.4 through 12.1.3.7; 13.0.1 through 13.1.1.1; 14.0.0 through 14.0.0.2; 13.0.0; 13.0.0; +1 more · source: NVD
BL
Big-ip Local Traffic Manager · F5
11.5.1 through 11.6.3.2; 12.1.3.4 through 12.1.3.7; 13.0.1 through 13.1.1.1; 14.0.0 through 14.0.0.2; 13.0.0; 13.0.0; +1 more · source: NVD
BP
Big-ip Policy Enforcement Manager · F5
11.5.1 through 11.6.3.2; 12.1.3.4 through 12.1.3.7; 13.0.1 through 13.1.1.1; 14.0.0 through 14.0.0.2; 13.0.0; 13.0.0; +1 more · source: NVD
Affected product
BL
BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, FPS, GTM, Link Controller, PEM, WebAccelerator)
F5 Networks, Inc.
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-6594
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-6594
Vendor Advisory
https://support.f5.com/csp/article/K91026261
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