VDB-117298 · CVE-2018-0283 · BID 104121

Cisco Firepower System Software Snort Detection Engine TCP Connection cryptographic issues

CVSS Meta Temp Score
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Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
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5.5$0-$5k0.00

A vulnerability classified as problematic was found in Cisco Firepower System Software (Firewall Software) (version now known). This vulnerability affects some unknown processing of the component Snort Detection Engine. The manipulation as part of a TCP Connection leads to a cryptographic issues vulnerability. The CWE definition for the vulnerability is CWE-310. 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 restart an instance of the Snort detection engine on an affected device, resulting in a brief denial of service (DoS) condition. The vulnerability is due to the incorrect handling of Transport Layer Security (TLS) TCP connection setup for the affected software. An attacker could exploit this vulnerability by sending crafted TLS traffic to an affected device. A successful exploit could allow the attacker to cause the Snort detection engine on the affected device to restart, resulting in a DoS condition. Cisco Bug IDs: CSCvg99327.

The bug was discovered 05/02/2018. The weakness was presented 05/02/2018 as cisco-sa-20180502-fpwr-codp as confirmed advisory (Website). The advisory is available at tools.cisco.com. This vulnerability was named CVE-2018-0283 since 11/27/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 02/02/2020). This vulnerability is assigned to T1600 by the MITRE ATT&CK project.

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

See 117297 and 117296 for similar entries.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

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

NVD Base Score: 5.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Cryptographic issues
CWE: CWE-310
ATT&CK: T1600

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: 🔍

Timelineinfo

11/27/2017 🔍
05/02/2018 +155 days 🔍
05/02/2018 +0 days 🔍
05/02/2018 +0 days 🔍
05/02/2018 +0 days 🔍
05/03/2018 +1 days 🔍
02/02/2020 +640 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20180502-fpwr-codp
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-0283 (🔍)
SecurityFocus: 104121 - Cisco Firepower System Software CVE-2018-0283 Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 05/03/2018 08:35
Updated: 02/02/2020 08:06
Changes: 05/03/2018 08:35 (61), 02/02/2020 08:06 (4)
Complete: 🔍

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