immer up to 9.0.5 Key path type confusion

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 (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in immer up to 9.0.5 and classified as critical. The impacted element is an unknown function of the component Key Handler. Such manipulation of the argument path leads to type confusion. This vulnerability is uniquely identified as CVE-2021-23436. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in immer up to 9.0.5. Affected by this issue is an unknown code of the component Key Handler. The manipulation of the argument path with an unknown input leads to a type confusion vulnerability. Using CWE to declare the problem leads to CWE-843. The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 09/02/2021 as SNYK-JS-IMMER-1540542. The advisory is shared for download at snyk.io. This vulnerability is handled as CVE-2021-23436. There are known technical details, but no exploit is available.

Upgrading to version 9.0.6 eliminates this vulnerability. Applying a patch 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Type confusion
CWE: CWE-843
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: immer 9.0.6
Patch: github.com

Timelineinfo

01/08/2021 🔍
09/02/2021 +236 days 🔍
09/02/2021 +0 days 🔍
09/04/2021 +2 days 🔍

Sourcesinfo

Advisory: SNYK-JS-IMMER-1540542
Status: Confirmed

CVE: CVE-2021-23436 (🔍)
GCVE (CVE): GCVE-0-2021-23436
GCVE (VulDB): GCVE-100-181892

Entryinfo

Created: 09/02/2021 09:22
Updated: 09/04/2021 20:32
Changes: 09/02/2021 09:22 (40), 09/04/2021 20:25 (2), 09/04/2021 20:32 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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