Certificate Validation Flaw in Cisco FireSIGHT Management Center
CVE-2015-6357
Summary
The rule-update feature in Cisco FireSIGHT Management Center versions 5.2 to 5.4.0.1 is susceptible to a certificate validation vulnerability. This flaw arises from the system's failure to verify the X.509 certificate for the support.sourcefire.com SSL server. Exploitation allows potential man-in-the-middle attackers to spoof the SSL server, leading to the delivery of malicious packages and the possibility of executing arbitrary code using crafted certificates. This vulnerability underscores the critical importance of proper SSL certificate validation to maintain network security.
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.
References
EPSS Score
6% chance of being exploited in the next 30 days.
Timeline
Vulnerability published
- 🟡
Public PoC available
- 👾
Exploit known to exist
Vulnerability Reserved