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.
Published 2022-11-19 00:15:31
Updated 2022-11-26 03:18:55
Source Red Hat, Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2022-4055

Probability of exploitation activity in the next 30 days: 0.06%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 27 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2022-4055

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
7.4
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
2.8
4.0
NIST

CWE ids for CVE-2022-4055

  • 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.
    Assigned by: secalert@redhat.com (Primary)

References for CVE-2022-4055

Products affected by CVE-2022-4055

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