This security bulletin contains one medium risk vulnerability.
Exploit availability: NoDescription
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in Virtual server using the SIP ALG profile. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.Mitigation
Install update from vendor's website.Vulnerable software versions
BIG-IP: 13.1.0 - 16.1.0
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.