#VU12844 Data handling in BIG-IP PEM - CVE-2018-5508

Vulnerability identifier: #VU12844

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-5508

CWE-ID: CWE-19

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 exists in TMM due to processing compressed data through a Virtual Server with an associated PEM profile using the content insertion option. A remote attacker can cause the service to crash.

Mitigation
Update to versions 13.1.0, 12.1.3.2, 11.6.3 or 11.5.6.

Vulnerable software versions

BIG-IP PEM: 11.2.1 - 13.0.0

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External links
https://support.f5.com/csp/article/K10329515

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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.