Cisco Firepower System Software Detection Engine SSL Packet resource management

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Cisco Firepower System Software. Affected by this issue is some unknown functionality of the component Detection Engine. This manipulation as part of SSL Packet causes resource management. This vulnerability is tracked as CVE-2018-0385. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco Firepower System Software (Firewall Software) (affected version unknown). It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component Detection Engine. The manipulation as part of a SSL Packet leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. The summary by CVE is:

A vulnerability in the detection engine parsing of Security Socket Layer (SSL) protocol packets for Cisco Firepower System Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition due to the Snort process unexpectedly restarting. The vulnerability is due to improper input handling of the SSL traffic. An attacker could exploit this vulnerability by sending a crafted SSL traffic to the detection engine on the targeted device. An exploit could allow the attacker to cause a DoS condition if the Snort process restarts and traffic inspection is bypassed or traffic is dropped. Cisco Bug IDs: CSCvi36434.

The bug was discovered 07/11/2018. The weakness was disclosed 07/16/2018 as cisco-sa-20180711-firepwr-ssl- as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is known as CVE-2018-0385 since 11/27/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not 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 databases at Tenable (111211) and SecurityFocus (BID 104727†). The entries VDB-121504, VDB-121505 and VDB-121506 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 111211
Nessus Name: Cisco Firepower and FireSIGHT Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/27/2017 🔍
07/11/2018 +226 days 🔍
07/11/2018 +0 days 🔍
07/11/2018 +0 days 🔍
07/16/2018 +4 days 🔍
07/16/2018 +0 days 🔍
07/16/2018 +0 days 🔍
07/20/2018 +4 days 🔍
11/26/2024 +2321 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20180711-firepwr-ssl-
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-0385 (🔍)
GCVE (CVE): GCVE-0-2018-0385
GCVE (VulDB): GCVE-100-121507
SecurityFocus: 104727 - Cisco Firepower System Software CVE-2018-0385 Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 07/16/2018 22:39
Updated: 11/26/2024 21:00
Changes: 07/16/2018 22:39 (68), 03/05/2020 13:34 (6), 11/26/2024 21:00 (17)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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