Scheme Handler Information Disclosure: CVE-2018-15668 Scheme Handler Information Disclosure: CVE-2018-15668

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Airmail 3 3.5.9 for MacOS

Scheme Handler Information Disclosure

CVE ID

CVE-2018-15668

VENDOR

Bloop S.R.L.

PRODUCT

Airmail 3 for Mac

Product version

3.5.9

Vulnerability Details

The "send" command in the airmail:// URL scheme allows an external application to send arbitrary emails from an active account. URL parameters for the "send" command with the "attachment_" prefix designate attachment parameters. If the value of an attachment parameter corresponds to an accessible file path, the file is attached to the outbound message. In addition, relative file paths are acceptable attachment parameter values. The handler can be invoked using any method that invokes the URL handler such as a hyperlink in an email. The user is not prompted when the handler processes the "send" command which automatically sends an email with designated attachments from the target account to a target address.

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Vendor response

No response.

Disclosure timeline

08-06-2018 - Vendor disclosure via email
08-13-2018 - Vendor notified via Support Page
08-21-2018 - Vendor notified of the advisory release

Airmail for Mac registers and uses the airmail:// URL scheme. The "send" command in the URL scheme allows an external application to send arbitrary emails from an active account without authentication. The handler has no restriction on who can use its functionality. The handler can be invoked using any method that invokes the URL handler such as a hyperlink in an email. The user is not prompted when the handler processes the "send" command which automatically sends an attacker crafted email from the target account.

Airmail 3 for Mac

Advisory

Airmail 3 for Mac

Airmail 3

Airmail for Mac registers and uses the airmail:// URL scheme. The "send" command in the URL scheme allows an external application to send arbitrary emails from an active account without authentication. The handler has no restriction on who can use its functionality. The handler can be invoked using any method that invokes the URL handler such as a hyperlink in an email. The user is not prompted when the handler processes the "send" command which automatically sends an attacker crafted email from the target account.

Airmail 3 for Mac

Advisory

Airmail 3 for Mac

Airmail 3

Airmail for Mac registers and uses the airmail:// URL scheme. The "send" command in the URL scheme allows an external application to send arbitrary emails from an active account without authentication. The handler has no restriction on who can use its functionality. The handler can be invoked using any method that invokes the URL handler such as a hyperlink in an email. The user is not prompted when the handler processes the "send" command which automatically sends an attacker crafted email from the target account.

Airmail 3 for Mac

Advisory

Airmail 3 for Mac

Remote Attack

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