Ocularis 5.5.0.242 Recorder TCP Packet input validation

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

Summaryinfo

A vulnerability was found in Ocularis 5.5.0.242. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component Recorder. Executing a manipulation as part of TCP Packet can lead to input validation. This vulnerability is registered as CVE-2018-3852. It is possible to launch the attack remotely. No exploit is available. The application of restrictive firewalling is recommended.

Detailsinfo

A vulnerability has been found in Ocularis 5.5.0.242 and classified as problematic. This vulnerability affects some unknown processing of the component Recorder. The manipulation as part of a TCP Packet leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. CVE summarizes:

An exploitable denial of service vulnerability exists in the Ocularis Recorder functionality of Ocularis 5.5.0.242. A specially crafted TCP packet can cause a process to terminate resulting in denial of service. An attacker can send a crafted TCP packet to trigger this vulnerability.

The bug was discovered 06/05/2018. The weakness was published 06/06/2018 (Website). The advisory is shared for download at securityfocus.com. This vulnerability was named CVE-2018-3852 since 01/02/2018. The exploitation appears to be easy. 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 111384 (OnSSI Ocularis Recorder 5.5 < Patch 10 / 5.4 < Patch 19 / 5.3 < Patch 19 Denial of Service (DoS) Vulnerability), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l.

Proper firewalling of is able to address this issue. 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 (111384) and SecurityFocus (BID 104387†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

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: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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: 111384
Nessus Name: OnSSI Ocularis Recorder 5.5 < Patch 10 / 5.4 < Patch 19 / 5.3 < Patch 19 Denial of Service (DoS) Vulnerability
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/02/2018 🔍
06/05/2018 +154 days 🔍
06/05/2018 +0 days 🔍
06/05/2018 +0 days 🔍
06/06/2018 +0 days 🔍
06/06/2018 +0 days 🔍
06/07/2018 +1 days 🔍
07/27/2018 +50 days 🔍
02/15/2020 +568 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Status: Not defined

CVE: CVE-2018-3852 (🔍)
GCVE (CVE): GCVE-0-2018-3852
GCVE (VulDB): GCVE-100-119020
SecurityFocus: 104387 - Ocularis 'VMS_VA' Server Process Denial of Service Vulnerability

Entryinfo

Created: 06/07/2018 08:32
Updated: 02/15/2020 14:11
Changes: 06/07/2018 08:32 (65), 02/15/2020 14:11 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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