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CVE-2023-29542

Date: June 19, 2023

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.

Language: C++

Severity Score

Related Resources (9)

https://www.mozilla.org/security/advisories/mfsa2023-13/
https://nvd.nist.gov/vuln/detail/CVE-2023-29542
https://www.mozilla.org/security/advisories/mfsa2023-15/
https://www.mozilla.org/security/advisories/mfsa2023-14/
https://bugzilla.mozilla.org/show_bug.cgi?id=1810793
https://bugzilla.mozilla.org/show_bug.cgi?id=1815062
https://github.com/mozilla/gecko-dev/commit/1cc5883b4347439b7cd871902bcda12531fca42f
https://www.mozilla.org/en-US/security/advisories/mfsa2023-13/#CVE-2023-29535
https://www.mend.io/vulnerability-database/CVE-2023-29542

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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