Cisco Firepower System Software Snort Detection Engine resource management
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
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6.1 | $0-$5k | 0.00 |
A vulnerability has been found in Cisco Firepower System Software (Firewall Software) (unknown version) and classified as problematic. This vulnerability affects an unknown code block of the component Snort Detection Engine. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. CVE summarizes:
A vulnerability in the detection engine of Cisco Firepower System Software could allow an unauthenticated, remote attacker to cause one of the detection engine processes to run out of memory and thus slow down traffic processing. The vulnerability is due to improper handling of traffic when the Secure Sockets Layer (SSL) inspection policy is enabled. An attacker could exploit this vulnerability by sending malicious traffic through an affected device. An exploit could allow the attacker to increase the resource consumption of a single instance of the Snort detection engine on an affected device. This will lead to performance degradation and eventually the restart of the affected Snort process. Cisco Bug IDs: CSCvi09219, CSCvi29845.
The bug was discovered 07/11/2018. The weakness was shared 07/16/2018 as cisco-sa-20180711-firepower-do as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability was named CVE-2018-0370 since 11/27/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.
The vulnerability scanner Nessus provides a plugin with the ID 111211 (Cisco Firepower and FireSIGHT Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO and running in the context l.
Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (111211). The entries 121505, 121506 and 121507 are related to this item.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
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CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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VulDB Reliability: 🔍
NVD Base Score: 7.5
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CVSSv2
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Exploiting
Class: Resource managementCWE: CWE-399 / CWE-404
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
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Nessus ID: 111211
Nessus Name: Cisco Firepower and FireSIGHT Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
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Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
11/27/2017 🔍07/11/2018 🔍
07/11/2018 🔍
07/11/2018 🔍
07/16/2018 🔍
07/16/2018 🔍
07/16/2018 🔍
07/20/2018 🔍
03/05/2020 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-20180711-firepower-do
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2018-0370 (🔍)
SecurityFocus: 104728 - Cisco Firepower System Software CVE-2018-0370 Denial of Service Vulnerability
See also: 🔍
Entry
Created: 07/16/2018 22:39Updated: 03/05/2020 12:07
Changes: 07/16/2018 22:39 (67), 03/05/2020 12:07 (6)
Complete: 🔍
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