CUJO Smart Firewall 7003 Safe Browsing HTTP Requests request smuggling

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability was found in CUJO Smart Firewall 7003. It has been declared as critical. The affected element is an unknown function of the component Safe Browsing. Such manipulation as part of HTTP Requests leads to request smuggling. This vulnerability is traded as CVE-2018-4030. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in CUJO Smart Firewall 7003 (Firewall Software). It has been rated as critical. Affected by this issue is some unknown processing of the component Safe Browsing. The manipulation as part of a HTTP Requests leads to a request smuggling vulnerability. Using CWE to declare the problem leads to CWE-444. The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An exploitable vulnerability exists the safe browsing function of the CUJO Smart Firewall, version 7003. The bug lies in the way the safe browsing function parses HTTP requests. The "Host" header is incorrectly extracted from captured HTTP requests, which would allow an attacker to visit any malicious websites and bypass the firewall. An attacker could send an HTTP request to exploit this vulnerability.

The bug was discovered 03/19/2019. The weakness was shared 03/21/2019. This vulnerability is handled as CVE-2018-4030 since 01/02/2018. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-131983, VDB-131982, VDB-131981 and VDB-131980 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.7

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

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 5.3
CNA Vector (Talos): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Request smuggling
CWE: CWE-444
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/02/2018 🔍
03/19/2019 +441 days 🔍
03/21/2019 +2 days 🔍
03/22/2019 +1 days 🔍
08/03/2023 +1595 days 🔍

Sourcesinfo

Advisory: talosintelligence.com
Status: Not defined

CVE: CVE-2018-4030 (🔍)
GCVE (CVE): GCVE-0-2018-4030
GCVE (VulDB): GCVE-100-131984
See also: 🔍

Entryinfo

Created: 03/22/2019 08:19
Updated: 08/03/2023 20:35
Changes: 03/22/2019 08:19 (56), 05/18/2020 11:44 (1), 08/03/2023 20:28 (3), 08/03/2023 20:35 (12)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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