CVE-2019-9803

EPSS 0.6%

Vexday Risk Score

3Bajo

Decisión SSVC (CISA)

Track

Sin señal de explotación → monitorear

CVSS —EPSS 0.6%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

26 abr 2019Publicada en NVD

Recomendación: Monitorear — sin señal de explotación por ahora.

The Upgrade-Insecure-Requests (UIR) specification states that if UIR is enabled through Content Security Policy (CSP), navigation to a same-origin URL must be upgraded to HTTPS. Firefox will incorrectly navigate to an HTTP URL rather than perform the security upgrade requested by the CSP in some circumstances, allowing for potential man-in-the-middle attacks on the linked resources. This vulnerability affects Firefox < 66.

Productos afectados

Mozilla · Firefox

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Referencias

https://bugzilla.mozilla.org/show_bug.cgi?id=1437009 https://bugzilla.mozilla.org/show_bug.cgi?id=1515863 https://w3c.github.io/webappsec-upgrade-insecure-requests/https://www.mozilla.org/security/advisories/mfsa2019-07/