CVSS: 6.5EPSS: 0%CPEs: 3EXPL: 0CVE-2021-23982 – Mozilla: Internal network hosts could have been probed by a malicious webpage
https://notcve.org/view.php?id=CVE-2021-23982
Using techniques that built on the slipstream research, a malicious webpage could have scanned both an internal network's hosts as well as services running on the user's local machine utilizing WebRTC connections. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9. Usando técnicas que se basaron en la investigación de slipstream, una página web maliciosa podría haber escaneado tanto los hosts de una red interna como los servicios que se ejecutan en la máquina local del usuario usando conexiones WebRTC. Esta vulnerabilidad afecta a Firefox ESR versiones anteriores a 78.9, Firefox versiones anteriores a 87, y Thunderbird versiones anteriores a 78.9 • https://bugzilla.mozilla.org/show_bug.cgi?id=1677046 https://www.mozilla.org/security/advisories/mfsa2021-10 https://www.mozilla.org/security/advisories/mfsa2021-11 https://www.mozilla.org/security/advisories/mfsa2021-12 https://access.redhat.com/security/cve/CVE-2021-23982 https://bugzilla.redhat.com/show_bug.cgi?id=1942785 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-326: Inadequate Encryption Strength •
CVSS: 8.8EPSS: 0%CPEs: 3EXPL: 0CVE-2021-23987 – Mozilla: Memory safety bugs fixed in Firefox 87 and Firefox ESR 78.9
https://notcve.org/view.php?id=CVE-2021-23987
Mozilla developers and community members reported memory safety bugs present in Firefox 86 and Firefox ESR 78.8. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9. Los desarrolladores y miembros de la comunidad de Mozilla informaron de fallos de seguridad de memoria presentes en Firefox 86 y Firefox ESR 78.8. Algunos de estos fallos mostraban evidencias de corrupción de memoria y suponemos que con suficiente esfuerzo algunos de ellos podrían haber sido explotados para ejecutar código arbitrario. • https://bugzilla.mozilla.org/buglist.cgi?bug_id=1513519%2C1683439%2C1690169%2C1690718 https://www.mozilla.org/security/advisories/mfsa2021-10 https://www.mozilla.org/security/advisories/mfsa2021-11 https://www.mozilla.org/security/advisories/mfsa2021-12 https://access.redhat.com/security/cve/CVE-2021-23987 https://bugzilla.redhat.com/show_bug.cgi?id=1942787 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE-787: Out-of-bounds Write •
CVSS: 8.8EPSS: 0%CPEs: 1EXPL: 1CVE-2021-23979
https://notcve.org/view.php?id=CVE-2021-23979
Mozilla developers reported memory safety bugs present in Firefox 85. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 86. Los desarrolladores de Mozilla reportaron bugs de seguridad de la memoria presentes en Firefox 85. Algunos de estos bugs mostraron evidencia de corrupción de la memoria y suponemos que con esfuerzo suficiente algunos de ellos podrían haber sido explotado para ejecutar código arbitrario. • https://bugzilla.mozilla.org/buglist.cgi?bug_id=1663222%2C1666607%2C1672120%2C1678463%2C1678927%2C1679560%2C1681297%2C1681684%2C1683490%2C1684377%2C1684902 https://www.mozilla.org/security/advisories/mfsa2021-07 • CWE-787: Out-of-bounds Write •
CVSS: 5.3EPSS: 0%CPEs: 1EXPL: 0CVE-2021-23977
https://notcve.org/view.php?id=CVE-2021-23977
Firefox for Android suffered from a time-of-check-time-of-use vulnerability that allowed a malicious application to read sensitive data from application directories. Note: This issue is only affected Firefox for Android. Other operating systems are unaffected. This vulnerability affects Firefox < 86. Firefox para Android sufrió una vulnerabilidad de tipo time-of-check-time-of-use que permitía a una aplicación maliciosa leer datos confidenciales desde los directorios de la aplicación. • https://bugzilla.mozilla.org/show_bug.cgi?id=1684761 https://security.gentoo.org/glsa/202104-10 https://www.mozilla.org/security/advisories/mfsa2021-07 • CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition •
CVSS: 7.4EPSS: 0%CPEs: 1EXPL: 0CVE-2021-23957
https://notcve.org/view.php?id=CVE-2021-23957
Navigations through the Android-specific `intent` URL scheme could have been misused to escape iframe sandbox. Note: This issue only affected Firefox for Android. Other operating systems are unaffected. This vulnerability affects Firefox < 85. Las navegaciones por medio del esquema de URL "intent" específico de Android podrían haber sido usado inapropiadamente para escapar del sandbox de iframe. • https://bugzilla.mozilla.org/show_bug.cgi?id=1584582 https://www.mozilla.org/security/advisories/mfsa2021-03 •