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CVE-2023-29542

UNKNOWN
Published 2023-06-19T10:03:32.039Z
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CVSS Score

V3.1
9.8
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.320
Higher than 32.0% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Description

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 Firefox and Thunderbird are unaffected.* This vulnerability affects Firefox < 112, Firefox ESR < 102.10, and Thunderbird < 102.10.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Mozilla

Firefox

Affected Versions:

unspecified
Mozilla

Firefox ESR

Affected Versions:

unspecified
Mozilla

Thunderbird

Affected Versions:

unspecified

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed CRITICAL

GHSA-pc79-pjx7-pq9h

Advisory Details

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 Firefox and Thunderbird are unaffected.* This vulnerability affects Firefox < 112, Firefox ESR < 102.10, and Thunderbird < 102.10.

CVSS Scoring

CVSS Score

9.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-29542
WEB https://bugzilla.mozilla.org/show_bug.cgi?id=1810793
WEB https://bugzilla.mozilla.org/show_bug.cgi?id=1815062
WEB https://www.mozilla.org/security/advisories/mfsa2023-13
WEB https://www.mozilla.org/security/advisories/mfsa2023-14
WEB https://www.mozilla.org/security/advisories/mfsa2023-15

Advisory provided by GitHub Security Advisory Database. Published: June 19, 2023, Modified: April 4, 2024

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1810793
https://bugzilla.mozilla.org/show_bug.cgi?id=1815062
https://www.mozilla.org/security/advisories/mfsa2023-13/
https://www.mozilla.org/security/advisories/mfsa2023-14/
https://www.mozilla.org/security/advisories/mfsa2023-15/
Published: 2023-06-19T10:03:32.039Z
Last Modified: 2024-12-11T15:47:00.715Z
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