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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2023-50762
HistoryDec 19, 2023 - 2:15 p.m.

CVE-2023-50762

2023-12-1914:15:07
Debian Security Bug Tracker
security-tracker.debian.org
20
pgp/mime
digitally signed
email header
git commit
spoofing
thunderbird

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%

When processing a PGP/MIME payload that contains digitally signed text, the first paragraph of the text was never shown to the user. This is because the text was interpreted as a MIME message and the first paragraph was always treated as an email header section. A digitally signed text from a different context, such as a signed GIT commit, could be used to spoof an email message. 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%