CVE-2022-4055

Public Exploit

Description

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.

Category

7.4
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.03%
Third-Party Advisory freedesktop.org
Affected: n/a xdg-utils
Published at:
Updated at:

References

Link Tags
https://gitlab.freedesktop.org/xdg/xdg-utils/-/issues/205#note_1494267 issue tracking exploit third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-4055?
CVE-2022-4055 has been scored as a high severity vulnerability.
How to fix CVE-2022-4055?
To fix CVE-2022-4055, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-4055 being actively exploited in the wild?
It is possible that CVE-2022-4055 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-4055?
CVE-2022-4055 affects n/a xdg-utils.
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