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    CVE-2021-26911

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

    Published:Feb 17, 2021
    Last Modified:Nov 21, 2024
    EPS:Feb 17, 2021
    EPSS Score:0.00284
    CVSS Score:7.4

    Affected Products

    Vendor
    Canarymail
    Product
    Canary Mail
    Vendor
    Libmailcore
    Product
    Mailcore2

    Exploits

    https://census-labs.com/news/2021/02/17/canary-mail-app-missing-certificate-validation-check-on-imap-starttls/https://census-labs.com/news/2021/02/17/canary-mail-app-missing-certificate-validation-check-on-imap-starttls/

    Common Weakness Enumeration

    CWE-295 Improper Certificate Validation

    References

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

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High