CVE-2023-4581

XLL file extensions were downloadable without warnings

EPSS 0.5%

Vexday Risk Score

3Bajo

Decisión SSVC (CISA)

Track

Sin señal de explotación → monitorear

CVSS —EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

11 sep 2023Publicada en NVD

Recomendación: Monitorear — sin señal de explotación por ahora.

Excel `.xll` add-in files did not have a blocklist entry in Firefox's executable blocklist which allowed them to be downloaded without any warning of their potential harm. This vulnerability affects Firefox < 117, Firefox ESR < 102.15, Firefox ESR < 115.2, Thunderbird < 102.15, and Thunderbird < 115.2.

Productos afectados

Mozilla · Firefox Mozilla · Firefox ESR Mozilla · Thunderbird

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Referencias

https://bugzilla.mozilla.org/show_bug.cgi?id=1843758 https://www.mozilla.org/security/advisories/mfsa2023-34/https://www.mozilla.org/security/advisories/mfsa2023-35/https://www.mozilla.org/security/advisories/mfsa2023-36/https://www.mozilla.org/security/advisories/mfsa2023-37/https://www.mozilla.org/security/advisories/mfsa2023-38/