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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2023-29542
HistoryJun 19, 2023 - 11:15 a.m.

CVE-2023-29542

2023-06-1911:15:09
Debian Security Bug Tracker
security-tracker.debian.org
14
cve-2023-29542
newline in filename
malicious file extensions
accidental execution
firefox
thunderbird
windows
vulnerability
unix

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.8 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

59.9%

A newline in a filename could have been used to bypass the file extension security mechanisms that replace malicious file extensions such as .lnk with .download. This could have led to accidental execution of malicious code. This bug only affects Firefox and Thunderbird on Windows. Other versions of FirefoxΒ and Thunderbird are unaffected. This vulnerability affects Firefox < 112, Firefox ESR < 102.10, and Thunderbird < 102.10.

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.8 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

59.9%