xdg-email 2368 Mailto URL command delimiter

Summaryinfo

A vulnerability identified as problematic has been detected in xdg-email 2368. Affected is an unknown function of the component Mailto URL Handler. The manipulation leads to command delimiter. This vulnerability is documented as CVE-2022-4055. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in xdg-email 2368 and classified as problematic. This issue affects some unknown functionality of the component Mailto URL Handler. The manipulation with an unknown input leads to a command delimiter vulnerability. Using CWE to declare the problem leads to CWE-146. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could be interpreted as expression or command delimiters when they are sent to a downstream component. Impacted is integrity, and availability. The summary by CVE is:

When xdg-mail is configured to use thunderbird for mailto URLs, improper parsing of the URL can lead to additional headers being passed to thunderbird that should not be included per RFC 2368. An attacker can use this method to create a mailto URL that looks safe to users, but will actually attach files when clicked.

The weakness was released 11/19/2022 as 205. It is possible to read the advisory at gitlab.freedesktop.org. The identification of this vulnerability is CVE-2022-4055 since 11/17/2022. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 236806 (RHEL 9 : xdg-utils (RHSA-2025:7672)), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (236806). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

• xdg-email

Version

• 2368

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

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Entryinfo

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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