Canary Mail up to 3.21 IMAP MCIMAPSession.cpp certificate validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Canary Mail up to 3.21. This issue affects some unknown processing of the file core/imap/MCIMAPSession.cpp of the component IMAP Handler. The manipulation results in certificate validation. This vulnerability is known as CVE-2021-26911. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Canary Mail up to 3.21. Affected is some unknown functionality of the file core/imap/MCIMAPSession.cpp of the component IMAP Handler. The manipulation with an unknown input leads to a certificate validation vulnerability. CWE is classifying the issue as CWE-295. The product does not validate, or incorrectly validates, a certificate. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 02/18/2021. The advisory is available at openwall.com. This vulnerability is traded as CVE-2021-26911. 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 3.22 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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.4
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

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: Canary Mail 3.22
Patch: github.com

Timelineinfo

02/08/2021 🔍
02/18/2021 +10 days 🔍
02/18/2021 +0 days 🔍
03/03/2021 +13 days 🔍

Sourcesinfo

Advisory: openwall.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-26911 (🔍)
GCVE (CVE): GCVE-0-2021-26911
GCVE (VulDB): GCVE-100-170130

Entryinfo

Created: 02/18/2021 07:54
Updated: 03/03/2021 09:58
Changes: 02/18/2021 07:54 (39), 03/03/2021 09:54 (6), 03/03/2021 09:58 (18)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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