VDB-190711 · CVE-2022-21700 · GHSA-2457-2263-mm9f

Micronaut up to 3.2.6 DefaultArgumentConversionContext memory leak

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	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 Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.2	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Micronaut up to 3.2.6 and classified as problematic. This issue affects the function DefaultArgumentConversionContext. This manipulation causes memory leak. This vulnerability is handled as CVE-2022-21700. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in Micronaut up to 3.2.6. Affected by this vulnerability is the function DefaultArgumentConversionContext. The manipulation with an unknown input leads to a memory leak vulnerability. The CWE definition for the vulnerability is CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. As an impact it is known to affect availability.

The weakness was released 01/19/2022 as GHSA-2457-2263-mm9f. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2022-21700 since 11/16/2021. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading to version 3.2.7 eliminates this vulnerability. Applying the patch b8ec32c311689667c69ae7d9f9c3b3a8abc96fe3 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Name

Micronaut

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Micronaut 3.2.7
Patch: b8ec32c311689667c69ae7d9f9c3b3a8abc96fe3

Timelineinfo

11/16/2021 🔍
01/19/2022 +64 days 🔍
01/19/2022 +0 days 🔍
01/20/2022 +1 days 🔍

Sourcesinfo

Advisory: GHSA-2457-2263-mm9f
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-21700 (🔍)
GCVE (CVE): GCVE-0-2022-21700
GCVE (VulDB): GCVE-100-190711

Entryinfo

Created: 01/19/2022 13:10
Updated: 01/20/2022 15:06
Changes: 01/19/2022 13:10 (51), 01/20/2022 15:04 (2), 01/20/2022 15:06 (1)
Complete: 🔍
Cache ID: 216::103