B&R Automation Runtime prior N4.34 TFTP Service memory leak

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in B&R Automation Runtime. Affected by this vulnerability is an unknown functionality of the component TFTP Service. Such manipulation leads to memory leak. This vulnerability is traded as CVE-2020-11637. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in B&R Automation Runtime (Automation Software) and classified as problematic. Affected by this issue is an unknown code block of the component TFTP Service. The manipulation with an unknown input leads to a memory leak vulnerability. Using CWE to declare the problem leads to CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. Impacted is availability.

The weakness was shared 10/15/2020. The advisory is available at br-automation.com. This vulnerability is handled as CVE-2020-11637. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

Upgrading to version N4.26, N4.34, F4.45, F4.53, D4.63 or A4.73 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Automation Runtime N4.26/N4.34/F4.45/F4.53/D4.63/A4.73

Timelineinfo

04/08/2020 🔍
10/15/2020 +190 days 🔍
10/15/2020 +0 days 🔍
11/20/2020 +36 days 🔍

Sourcesinfo

Advisory: br-automation.com
Status: Confirmed

CVE: CVE-2020-11637 (🔍)
GCVE (CVE): GCVE-0-2020-11637
GCVE (VulDB): GCVE-100-162734

Entryinfo

Created: 10/15/2020 21:32
Updated: 11/20/2020 09:49
Changes: 10/15/2020 21:32 (38), 11/19/2020 08:04 (4), 11/20/2020 09:43 (2), 11/20/2020 09:49 (15)
Complete: 🔍
Cache ID: 216::103

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