CVE-2023-50761

Published: 20 December 2023

The signature of a digitally signed S/MIME email message may optionally specify the signature creation date and time. If present, Thunderbird did not compare the signature creation date with the message date and time, and displayed a valid signature despite a date or time mismatch. This could be used to give recipients the impression that a message was sent at a different date or time. This vulnerability affects Thunderbird < 115.6.

Priority

Cvss 3 Severity Score

4.3

Score breakdown

Status

Package	Release	Status
thunderbird Launchpad, Ubuntu, Debian	bionic	Ignored (end of standard support)
	focal	Released (1:115.6.0+build2-0ubuntu0.20.04.1)
	jammy	Released (1:115.6.0+build2-0ubuntu0.22.04.1)
	lunar	Released (1:115.6.0+build2-0ubuntu0.23.04.1)
	mantic	Released (1:115.6.0+build2-0ubuntu0.23.10.1)
	trusty	Ignored (end of standard support)
	upstream	Released (1:115.6.0-1)
	xenial	Ignored (end of standard support)

Severity score breakdown

Parameter	Value
Base score	4.3
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	Low
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

References

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