CVE-2015-6357
The rule-update feature in Cisco FireSIGHT Management Center (MC) 5.2 through 5.4.0.1 does not verify the X.509 certificate of the support.sourcefire.com SSL server, which allows man-in-the-middle attackers to spoof this server and provide an invalid…
Does this matter?
Lower severity and a low EPSS score (2.63%). Track it; it rarely justifies an emergency change on its own.
Description
The rule-update feature in Cisco FireSIGHT Management Center (MC) 5.2 through 5.4.0.1 does not verify the X.509 certificate of the support.sourcefire.com SSL server, which allows man-in-the-middle attackers to spoof this server and provide an invalid package, and consequently execute arbitrary code, via a crafted certificate, aka Bug ID CSCuw06444.
- CVSS 2.0
- 6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
- EPSS
- 2.63% probability · 85th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- cisco/firesight system software
- Source
- psirt@cisco.com
References
- http://packetstormsecurity.com/files/134390/Cisco-FireSIGHT-Management-Center-Certificate-Validation.html
- http://seclists.org/fulldisclosure/2015/Nov/79
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151116-fmcVendor Advisory
- http://wadofstuff.blogspot.com.au/2015/11/cve-2015-6357-firepwner-exploit-for.html
- http://www.securityfocus.com/archive/1/536913/100/0/threaded
- http://www.securitytracker.com/id/1034161
- http://packetstormsecurity.com/files/134390/Cisco-FireSIGHT-Management-Center-Certificate-Validation.html
- http://seclists.org/fulldisclosure/2015/Nov/79
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151116-fmcVendor Advisory
- http://wadofstuff.blogspot.com.au/2015/11/cve-2015-6357-firepwner-exploit-for.html
- http://www.securityfocus.com/archive/1/536913/100/0/threaded
- http://www.securitytracker.com/id/1034161
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.