Cisco FireSIGHT System Software Detection Engine TCP Packets protection mechanism

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Cisco FireSIGHT System Software. Affected by this vulnerability is an unknown functionality of the component Detection Engine. The manipulation as part of TCP Packets results in protection mechanism. This vulnerability is identified as CVE-2018-0384. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Cisco FireSIGHT System Software (version unknown). It has been classified as critical. Affected is an unknown function of the component Detection Engine. The manipulation as part of a TCP Packets leads to a protection mechanism vulnerability. CWE is classifying the issue as CWE-693. The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A vulnerability in the detection engine of Cisco FireSIGHT System Software could allow an unauthenticated, remote attacker to bypass a URL-based access control policy that is configured to block traffic for an affected system. The vulnerability exists because the affected software incorrectly handles TCP packets that are received out of order when a TCP SYN retransmission is issued. An attacker could exploit this vulnerability by sending a maliciously crafted connection through an affected device. A successful exploit could allow the attacker to bypass a URL-based access control policy that is configured to block traffic for the affected system. Cisco Bug IDs: CSCvh84511.

The bug was discovered 07/11/2018. The weakness was released 07/16/2018 with Cisco as cisco-sa-20180711-firesight-ur as confirmed advisory (Website). The advisory is available at tools.cisco.com. This vulnerability is traded as CVE-2018-0384 since 11/27/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not 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 104725†). Entries connected to this vulnerability are available at VDB-121504, VDB-121505 and VDB-121507. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.8
NVD Vector: 🔍

CNA Base Score: 5.8
CNA Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Protection mechanism
CWE: CWE-693
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-firesight-ur
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-0384 (🔍)
GCVE (CVE): GCVE-0-2018-0384
GCVE (VulDB): GCVE-100-121506
SecurityFocus: 104725 - Cisco FireSIGHT System Software CVE-2018-0384 Remote Security Bypass Vulnerability
SecurityTracker: 1041284

See also: 🔍

Entryinfo

Created: 07/16/2018 22:39
Updated: 11/26/2024 21:00
Changes: 07/16/2018 22:39 (67), 03/05/2020 13:25 (7), 04/09/2023 10:29 (4), 11/26/2024 21:00 (26)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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