nbdkit STARTTLS Encryption message integrity

CVSS Meta Temp Score
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CTI Interest Score
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2.5$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in nbdkit. This impacts an unknown function of the component STARTTLS Encryption Handler. The manipulation leads to message integrity. This vulnerability is listed as CVE-2021-3716. There is no available exploit. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in nbdkit (the affected version is unknown). It has been rated as problematic. This issue affects an unknown code of the component STARTTLS Encryption Handler. The manipulation with an unknown input leads to a message integrity vulnerability. Using CWE to declare the problem leads to CWE-924. The product establishes a communication channel with an endpoint and receives a message from that endpoint, but it does not sufficiently ensure that the message was not modified during transmission. Impacted is availability.

The weakness was presented 03/03/2022 as 09a13dafb7bb3a38ab52eb5501cba786365ba7fd. The advisory is shared at gitlab.com. The identification of this vulnerability is CVE-2021-3716 since 08/18/2021. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 299967 (Oracle Linux 8 : virt:kvm_utils3 (ELSA-2026-50118)), which helps to determine the existence of the flaw in a target environment.

Applying the patch 09a13dafb7bb3a38ab52eb5501cba786365ba7fd is able to eliminate this problem. The bugfix is ready for download at gitlab.com.

The vulnerability is also documented in the vulnerability database at Tenable (299967). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.6
VulDB Meta Temp Score: 2.5

VulDB Base Score: 2.6
VulDB Temp Score: 2.5
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: Message integrity
CWE: CWE-924 / CWE-354 / CWE-345
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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Nessus ID: 299967
Nessus Name: Oracle Linux 8 : virt:kvm_utils3 (ELSA-2026-50118)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 09a13dafb7bb3a38ab52eb5501cba786365ba7fd

Timelineinfo

08/18/2021 🔍
03/03/2022 +197 days 🔍
03/03/2022 +0 days 🔍
03/01/2026 +1459 days 🔍

Sourcesinfo

Advisory: 09a13dafb7bb3a38ab52eb5501cba786365ba7fd
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-3716 (🔍)
GCVE (CVE): GCVE-0-2021-3716
GCVE (VulDB): GCVE-100-194093

Entryinfo

Created: 03/03/2022 07:18
Updated: 03/01/2026 22:24
Changes: 03/03/2022 07:18 (40), 03/04/2022 16:04 (1), 03/01/2026 22:24 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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