CVE-2023-5721

Era posible que el usuario activara o descartara ciertas indicaciones y cuadros de diálogo del navegador debido a una insuficiente activación del delay. Esta vulnerabilidad afecta a Firefox < 119, Firefox ESR < 115.4 y Thunderbird < 115.4.1.

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes this flaw as follows: Certain browser prompts and dialogs could be activated or dismissed unintentionally by the user due to an insufficient activation delay.

USN-6456-1 fixed vulnerabilities in Firefox. The update introduced several minor regressions. This update fixes the problem. Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information across domains, or execute arbitrary code. Kelsey Gilbert discovered that Firefox did not properly manage certain browser prompts and dialogs due to an insufficient activation-delay. An attacker could potentially exploit this issue to perform clickjacking. Daniel Veditz discovered that Firefox did not properly validate a cookie containing invalid characters. An attacker could potentially exploit this issue to cause a denial of service. Shaheen Fazim discovered that Firefox did not properly validate the URLs open by installed WebExtension. An attacker could potentially exploit this issue to obtain sensitive information.