Bloop Airmail 3 3.5.9 on MacOS airmail:/ Scheme access control

Summaryinfo

A vulnerability classified as critical was found in Bloop Airmail 3 3.5.9 on MacOS. This issue affects some unknown processing of the component airmail:/ Scheme Handler. Such manipulation leads to access control. This vulnerability is documented as CVE-2018-15667. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Bloop Airmail 3 3.5.9 on MacOS and classified as critical. Affected by this issue is an unknown function of the component airmail:/ Scheme Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in Bloop Airmail 3 3.5.9 for macOS. It 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, thus leading to automatic transmission of an attacker crafted email from the target account.

The bug was discovered 08/21/2018. The weakness was released 08/21/2018 (Website). The advisory is shared for download at versprite.com. This vulnerability is handled as CVE-2018-15667 since 08/21/2018. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entries connected to this vulnerability are available at VDB-123119, VDB-123118 and VDB-123117. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Bloop

Name

• Airmail 3

Version

• 3.5.9

CPE 2.3info

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CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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