CVE-2021-26911 Information

Description

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

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Reference

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

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

NONE

Base Severity

7.4