A vulnerability was found in F5 BIG-IP 13.0.0 (Firewall Software) and classified as problematic. Affected by this issue is some unknown processing of the component IPv4/IPv6 Handler. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. CVE summarizes:

In F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, GTM, Link Controller, PEM and WebSafe software version 13.0.0, a slow memory leak as a result of undisclosed IPv4 or IPv6 packets sent to BIG-IP management port or self IP addresses may lead to out of memory (OOM) conditions.

The bug was discovered 12/21/2017. The weakness was shared 12/21/2017 (Website). The advisory is shared for download at support.f5.com. This vulnerability is handled as CVE-2017-6135 since 02/21/2017. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 118608 (F5 Networks BIG-IP : Linux kernel vulnerability (K43322910)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family F5 Networks Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (118608). The entries 110988, 110986, 110983 and 110982 are related to this item.

Productinfo

Type

• Firewall Software

Vendor

• F5

Name

• BIG-IP

Version

• 13.0.0

License

• commercial

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CPE 2.2info

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