Snort rule bypass vulnerability in Cisco FireSIGHT
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2016-1463 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Cisco FireSIGHT Server applications / Remote management servers, RDP, SSH |
| Vendor | Cisco Systems, Inc |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Snort rule bypass vulnerability
EUVDB-ID: #VU227
Risk: Low
CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2016-1463
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass security controls on the target system.
The vulnerability exists due to improper handling of HTTP header parameters. A remote attacker can bypass configured rules that use Snort detection by sending a crafted HTTP packet to the affected device.
Successful exploitation of this vulnerability may result in unauthorized access to network resources.
MitigationPatch for this vulnerability is avaliable through the Cisco Bug Search Tool.
Vulnerable software versionsCisco FireSIGHT: 5.3.0 - 6.0.1
External linkshttp://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160727-firesight
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
