Medium severity · published Oct 27, 2017
CVE-2017-6159
F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, GTM, Link Controller, PEM, Websafe software version 12.0.0 to 12.1.2, 11.6.0 to 11.6.1 are vulnerable to a denial of service…
5.9
CVSS
1.6%
EPSS
No
On KEV
Description
F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, GTM, Link Controller, PEM, Websafe software version 12.0.0 to 12.1.2, 11.6.0 to 11.6.1 are vulnerable to a denial of service attack when the MPTCP option is enabled on a virtual server. Data plane is vulnerable when using the MPTCP option of a TCP profile. There is no control plane exposure. An attacker may be able to disrupt services by causing TMM to restart hence temporarily failing to process traffic.
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)1.6% · higher than 76% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BA
Big-ip Access Policy Manager · F5
11.6.0; 11.6.1; 12.0.0; 12.1.0; 12.1.1; 12.1.2 · source: NVD
BA
Big-ip Advanced Firewall Manager · F5
11.6.0; 11.6.1; 12.0.0; 12.1.0; 12.1.1; 12.1.2 · source: NVD
BA
Big-ip Application Acceleration Manager · F5
11.6.0; 11.6.1; 12.0.0; 12.1.0; 12.1.1; 12.1.2 · source: NVD
BA
Big-ip Application Security Manager · F5
11.6.0; 11.6.1; 12.0.0; 12.1.0; 12.1.1; 12.1.2 · source: NVD
BL
Big-ip Link Controller · F5
11.6.0; 11.6.1; 12.0.0; 12.1.0; 12.1.1; 12.1.2 · source: NVD
BL
Big-ip Local Traffic Manager · F5
11.6.0; 11.6.1; 12.0.0; 12.1.0; 12.1.1; 12.1.2 · source: NVD
BP
Big-ip Policy Enforcement Manager · F5
11.6.0; 11.6.1; 12.0.0; 12.1.0; 12.1.1; 12.1.2 · source: NVD
BW
Big-ip Websafe · F5
1.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-6159
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-6159
Third Party Advisory
http://www.securityfocus.com/bid/101633
Third Party Advisory
http://www.securitytracker.com/id/1039669
Vendor Advisory
https://support.f5.com/csp/article/K10002335
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