#VU10393 Denial of service in BIG-IP PEM - CVE-2017-6169

Vulnerability identifier: #VU10393

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-2017-6169

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

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

Vendor: F5 Networks

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

The weakness exist due to a flaw in the Policy Enforcement Manager (PEM) URL categorization process. A remote attacker can supply specially crafted URLs  disrupt traffic processing or cause the target virtual system to fail.

Mitigation
The vulnerability is addressed in the following versions: 11.6.3, 12.1.3.1, 13.0.0 HF1, 13.1.0.

Vulnerable software versions

BIG-IP PEM: 11.6.0 - 13.0.0

---

External links
https://support.f5.com/csp/article/K31404801

---

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.