free5GC 3.2.1 NGAP Message aper.GetBitString denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.5$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in free5GC 3.2.1. This vulnerability affects the function aper.GetBitString of the component NGAP Message Handler. The manipulation leads to denial of service. This vulnerability is traded as CVE-2022-43677. There is no exploit available.

Detailsinfo

A vulnerability was found in free5GC 3.2.1. It has been rated as problematic. This issue affects the function aper.GetBitString of the component NGAP Message Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

In free5GC 3.2.1, a malformed NGAP message can crash the AMF and NGAP decoders via an index-out-of-range panic in aper.GetBitString.

The weakness was shared 10/24/2022 as 402. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2022-43677 since 10/24/2022. Technical details of the vulnerability are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
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: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/24/2022 🔍
10/24/2022 +0 days 🔍
10/24/2022 +0 days 🔍
10/24/2022 +0 days 🔍

Sourcesinfo

Product: github.com

Advisory: 402
Status: Confirmed

CVE: CVE-2022-43677 (🔍)
GCVE (CVE): GCVE-0-2022-43677
GCVE (VulDB): GCVE-100-212039

Entryinfo

Created: 10/24/2022 21:31
Changes: 10/24/2022 21:31 (39)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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