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    CVE-2020-24386

    An issue was discovered in Dovecot before 2.3.13. By using IMAP IDLE, an authenticated attacker can trigger unhibernation via attacker-controlled parameters, leading to access to other users' email messages (and path disclosure).

    Published:Jan 4, 2021
    Last Modified:Nov 21, 2024
    EPS:Jan 4, 2021
    EPSS Score:0.00626
    CVSS Score:6.8

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Dovecot
    Product
    Dovecot
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

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    References

    http://packetstormsecurity.com/files/160842/Dovecot-2.3.11.3-Access-Bypass.html
    http://seclists.org/fulldisclosure/2021/Jan/18
    http://www.openwall.com/lists/oss-security/2021/01/04/4
    https://doc.dovecot.org/configuration_manual/hibernation/
    https://dovecot.org/pipermail/dovecot-news/2021-January/000450.html
    https://dovecot.org/security
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GXDKFLOCUP7I4ELGQ2F4P5TGC6NXMYV7/
    https://security.gentoo.org/glsa/202101-01
    https://www.debian.org/security/2021/dsa-4825
    http://packetstormsecurity.com/files/160842/Dovecot-2.3.11.3-Access-Bypass.html
    http://seclists.org/fulldisclosure/2021/Jan/18
    http://www.openwall.com/lists/oss-security/2021/01/04/4
    https://doc.dovecot.org/configuration_manual/hibernation/
    https://dovecot.org/pipermail/dovecot-news/2021-January/000450.html
    https://dovecot.org/security
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GXDKFLOCUP7I4ELGQ2F4P5TGC6NXMYV7/
    https://security.gentoo.org/glsa/202101-01
    https://www.debian.org/security/2021/dsa-4825

    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