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Mozilla Firefox und Thunderbird: Mehrere Schwachstellen
Advisory ansehen veröffentlicht 2020-11-17
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Mozilla Firefox, Mozilla Firefox ESR, Mozilla Thunderbird ausnutzen, um beliebigen Programmcode mit Benutzerrechten auszuführen, den Speicher zu korrumpieren, Daten zu manipulieren, vertrauliche Daten einzusehen, Sicherheitsmechanismen zu umgehen oder einen Cross Site Scripting Angriff durchzuführen.
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beschreibt (21)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2020-16012US | medium4.3 | Exploit | ||
Side-channel information leakage in graphics in Google Chrome prior to 87.0.4280.66 allowed a remote attacker to leak cross-origin data via a crafted HTML page. | ||||
| CVE-2020-26969US | high8.8 | — | ||
Mozilla developers reported memory safety bugs present in Firefox 82. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these c… | ||||
| CVE-2020-26968US | high8.8 | — | ||
Mozilla developers reported memory safety bugs present in Firefox 82 and Firefox ESR 78.4. Some of these bugs showed evidence of memory corruption and we presume that with enough e… | ||||
| CVE-2020-26967US | medium6.5 | — | ||
When listening for page changes with a Mutation Observer, a malicious web page could confuse Firefox Screenshots into interacting with elements other than those that it injected in… | ||||
| CVE-2020-26966US | medium6.5 | — | ||
Searching for a single word from the address bar caused an mDNS request to be sent on the local network searching for a hostname consisting of that string; resulting in an informat… | ||||
| CVE-2020-26965US | medium6.5 | — | ||
Some websites have a feature "Show Password" where clicking a button will change a password field into a textbook field, revealing the typed password. If, when using a software key… | ||||
| CVE-2020-26964US | medium6.8 | — | ||
If the Remote Debugging via USB feature was enabled in Firefox for Android on an Android version prior to Android 6.0, untrusted apps could have connected to the feature and operat… | ||||
| CVE-2020-26963US | medium4.3 | — | ||
Repeated calls to the history and location interfaces could have been used to hang the browser. This was addressed by introducing rate-limiting to these API calls. This vulnerabili… | ||||
| CVE-2020-26962US | medium6.1 | — | ||
Cross-origin iframes that contained a login form could have been recognized by the login autofill service, and populated. This could have been used in clickjacking attacks, as well… | ||||
| CVE-2020-26961US | medium6.5 | — | ||
When DNS over HTTPS is in use, it intentionally filters RFC1918 and related IP ranges from the responses as these do not make sense coming from a DoH resolver. However when an IPv4… | ||||
| CVE-2020-26960US | high8.8 | — | ||
If the Compact() method was called on an nsTArray, the array could have been reallocated without updating other pointers, leading to a potential use-after-free and exploitable cras… | ||||
| CVE-2020-26959US | high8.8 | — | ||
During browser shutdown, reference decrementing could have occured on a previously freed object, resulting in a use-after-free, memory corruption, and a potentially exploitable cra… | ||||
| CVE-2020-26958US | medium6.1 | — | ||
Firefox did not block execution of scripts with incorrect MIME types when the response was intercepted and cached through a ServiceWorker. This could lead to a cross-site script in… | ||||
| CVE-2020-26957US | medium6.5 | — | ||
OneCRL was non-functional in the new Firefox for Android due to a missing service initialization. This could result in a failure to enforce some certificate revocations. *Note: Thi… | ||||
| CVE-2020-26956US | medium6.1 | — | ||
In some cases, removing HTML elements during sanitization would keep existing SVG event handlers and therefore lead to XSS. This vulnerability affects Firefox < 83, Firefox ESR < 7… | ||||
| CVE-2020-26955US | medium6.5 | — | ||
When a user downloaded a file in Firefox for Android, if a cookie is set, it would have been re-sent during a subsequent file download operation on the same domain, regardless of w… | ||||
| CVE-2020-26954US | medium4.3OT erhöht | — | ||
When accepting a malicious intent from other installed apps, Firefox for Android accepted manifests from arbitrary file paths and allowed declaring webapp manifests for other origi… | ||||
| CVE-2020-26953US | medium4.3 | — | ||
It was possible to cause the browser to enter fullscreen mode without displaying the security UI; thus making it possible to attempt a phishing attack or otherwise confuse the user… | ||||
| CVE-2020-26952US | high8.8 | — | ||
Incorrect bookkeeping of functions inlined during JIT compilation could have led to memory corruption and a potentially exploitable crash when handling out-of-memory errors. This v… | ||||
| CVE-2020-26951US | medium6.1 | — | ||
A parsing and event loading mismatch in Firefox's SVG code could have allowed load events to fire, even after sanitization. An attacker already capable of exploiting an XSS vulnera… | ||||
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Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- CentOS Security Advisory CESA-2020:5235 vom 2020-12-09external
- CentOS Security Advisory CESA-2020:5239 vom 2020-12-09external
- Red Hat Security Advisory RHSA-2020:5231 vom 2020-11-30external
- Red Hat Security Advisory RHSA-2020:5232 vom 2020-11-30external
- Red Hat Security Advisory RHSA-2020:5233 vom 2020-11-30external
- Red Hat Security Advisory RHSA-2020:5234 vom 2020-11-30external
- Red Hat Security Advisory RHSA-2020:5235 vom 2020-11-30external
- Red Hat Security Advisory RHSA-2020:5236 vom 2020-11-30external
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