CVE-2021-26911

core/imap/MCIMAPSession.cpp in Canary Mail before 3.22 has Missing SSL Certificate Validation for IMAP in STARTTLS mode.

CVSS v3 7.4 HIGH
CVSS v2.0 5.8 MEDIUM

7.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.2 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

5.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:N

Exploitability : 8.6 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
http://www.openwall.com/lists/oss-security/2021/02/17/3	Mailing List Patch Third Party Advisory
https://apps.apple.com/us/app/canary-mail/id1236045954	Product Third Party Advisory
https://census-labs.com/news/2021/02/17/canary-mail-app-missing-certificate-validation-check-on-imap-starttls/	Exploit Third Party Advisory
https://census-labs.com/news/category/advisories/	Third Party Advisory
https://github.com/canarymail/mailcore2/commit/45acb4efbcaa57a20ac5127dc976538671fce018	Patch Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/02/17/3	Mailing List Patch Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:canarymail:canary_mail:3.20:::::iphone_os::
	cpe:2.3:a:canarymail:canary_mail:3.21:::::iphone_os::

Configuration 2 (hide)

cpe:2.3:a:libmailcore:mailcore2:0.6.4:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-02-17 21:15

Updated : 2021-02-24 20:07

NVD link : CVE-2021-26911

Mitre link : CVE-2021-26911

CVE.ORG link : CVE-2021-26911

JSON object : View

Products Affected

libmailcore

mailcore2

canarymail

canary_mail

CWE

CWE-295

Improper Certificate Validation

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