Local denial of service in F5 BIG-IP Perl component

1) Heap-based buffer overflow

EUVDB-ID: #VU11835

Risk: Low

CVSSv3.1: 8.1 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2018-6913

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a local attacker to cause DoS condition or execute arbitrary code on the target system.

The weakness exists due to heap-based buffer overflow. A local attacker can exploit a specially crafted pack() function, trigger memory corruption and cause the service to crash or run Perl code.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

BIG-IP: 15.0.0 - 17.1.1.3

CPE2.3

• cpe:2.3:h:f5_networks:big-ip:16.1.5:*:*:*:*:*:*:
• cpe:2.3:h:f5_networks:big-ip:15.1.10.4:*:*:*:*:*:*:
• cpe:2.3:h:f5_networks:big-ip:17.1.1.3:*:*:*:*:*:*:
• cpe:2.3:h:f5_networks:big-ip:17.0.0.2:*:*:*:*:*:*:
• cpe:2.3:h:f5_networks:big-ip:16.0.1.2:*:*:*:*:*:*:
• cpe:2.3:h:f5_networks:big-ip:15.0.1.4:*:*:*:*:*:*:

External links

http://my.f5.com/manage/s/article/K000141301

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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