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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2023-50761
HistoryDec 19, 2023 - 2:15 p.m.

CVE-2023-50761

2023-12-1914:15:07
Debian Security Bug Tracker
security-tracker.debian.org
28
s/mime
email signature
thunderbird
validation
vulnerability
date mismatch

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

AI Score

6.2

Confidence

High

EPSS

0.001

Percentile

19.4%

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.

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

AI Score

6.2

Confidence

High

EPSS

0.001

Percentile

19.4%