Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU48569
Risk: Medium
CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2020-8277
CWE-ID:
CWE-399 - Resource Management Errors
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources within the application when processing a large number of DNS responses. A Node.js application that allows an attacker to trigger a DNS request
for a host of their choice could trigger a denial of service condition.
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
BIG-IP SSLO: 11.6.1 - 16.0.1.1
BIG-IP PEM: 11.6.1 - 16.0.1.1
BIG-IP Link Controller: 11.6.1 - 16.0.1.1
BIG-IP GTM: 11.6.1 - 16.0.1.1
BIG-IP FPS: 11.6.1 - 16.0.1.1
BIG-IP DNS: 11.6.1 - 16.0.1.1
BIG-IP DDHD: 11.6.1 - 16.0.1.1
BIG-IP ASM: 11.6.1 - 16.0.1.1
BIG-IP APM: 11.6.1 - 16.0.1.1
BIG-IP Analytics: 11.6.1 - 16.0.1.1
BIG-IP AFM: 11.6.1 - 16.0.1.1
BIG-IP Advanced WAF: 11.6.1 - 16.0.1.1
BIG-IP AAM: 11.6.1 - 16.0.1.1
BIG-IP LTM: 11.6.1 - 16.0.1.1
BIG-IP: 11.6.1 - 16.0.1.1
BIG-IQ Centralized Management: 7.1.0
External linkshttp://support.f5.com/csp/article/K07944249
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. However, proof of concept for this vulnerability is available.