#VU11391 Improper input validation in BIG-IP ASM - CVE-2017-6154

Vulnerability identifier: #VU11391

Vulnerability risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-6154

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
BIG-IP ASM
Hardware solutions / Security hardware applicances

Vendor: F5 Networks

Description
The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.

The weakness exists in the bd process due to improper processing of crafted data on BIG-IP ASM systems with 48 or more CPU cores. A remote attacker can send specially crafted data, trigger the bd process on the system to produce a core file, which could interrupt the processing of other traffic, and cause the service to crash.

Mitigation
Update to versions 13.1.0, 12.1.3.2 or 11.6.3.

Vulnerable software versions

BIG-IP ASM: 11.6.1 - 13.0.0

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External links
https://support.f5.com/csp/article/K38243073

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.