Prosody up to 0.11.8 Server-to-Server Authentication dialback_without_dialback certificate validation

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Prosody up to 0.11.8 and classified as critical. This vulnerability affects the function dialback_without_dialback of the component Server-to-Server Authentication. Such manipulation leads to certificate validation. This vulnerability is documented as CVE-2021-32919. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Prosody up to 0.11.8 and classified as critical. Affected by this issue is the function dialback_without_dialback of the component Server-to-Server Authentication. The manipulation with an unknown input leads to a certificate validation vulnerability. Using CWE to declare the problem leads to CWE-295. The product does not validate, or incorrectly validates, a certificate. Impacted is confidentiality, integrity, and availability.

The weakness was released 05/14/2021. The advisory is available at openwall.com. This vulnerability is handled as CVE-2021-32919. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1587.003 by the MITRE ATT&CK project.

Upgrading to version 0.11.9 eliminates this vulnerability. The upgrade is hosted for download at blog.prosody.im.

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Productinfo

Name

Version

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: Certificate validation
CWE: CWE-295 / CWE-287
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: Prosody 0.11.9

Timelineinfo

05/12/2021 🔍
05/14/2021 +2 days 🔍
05/14/2021 +0 days 🔍
05/16/2021 +2 days 🔍

Sourcesinfo

Advisory: openwall.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-32919 (🔍)
GCVE (CVE): GCVE-0-2021-32919
GCVE (VulDB): GCVE-100-175046

Entryinfo

Created: 05/14/2021 07:02
Updated: 05/16/2021 10:47
Changes: 05/14/2021 07:02 (40), 05/16/2021 10:47 (5)
Complete: 🔍
Cache ID: 216::103

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