Apple macOS up to 11.2.3 tcpdump resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Apple macOS up to 11.2.3. This affects an unknown function of the component tcpdump. The manipulation leads to resource consumption. This vulnerability is uniquely identified as CVE-2020-8037. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Apple macOS up to 11.2.3 (Operating System). This issue affects an unknown code of the component tcpdump. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability.

The weakness was disclosed 04/26/2021 as HT212325 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2020-8037. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue. The advisory points out:

A remote attacker may be able to cause a denial of service

The vulnerability scanner Nessus provides a plugin with the ID 216689 (F5 Networks BIG-IP : tcpdump vulnerability (K000149929)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 11.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

This issue was addressed with improved checks.

The vulnerability is also documented in the vulnerability database at Tenable (216689). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / 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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Nessus ID: 216689
Nessus Name: F5 Networks BIG-IP : tcpdump vulnerability (K000149929)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: macOS 11.3

Timelineinfo

01/27/2020 🔍
04/26/2021 +454 days 🔍
04/26/2021 +0 days 🔍
04/27/2021 +1 days 🔍
02/24/2025 +1399 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT212325
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-8037 (🔍)
GCVE (CVE): GCVE-0-2020-8037
GCVE (VulDB): GCVE-100-174017
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 04/27/2021 09:13
Updated: 02/24/2025 21:56
Changes: 04/27/2021 09:13 (3), 04/27/2021 09:14 (14), 04/27/2021 09:17 (29), 05/01/2021 07:59 (6), 05/01/2021 08:05 (18), 02/24/2025 21:56 (17)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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