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1. #FIREFOX WEB EXTENSIONS DIFFERENCES UPDATE#
2. #FIREFOX WEB EXTENSIONS DIFFERENCES FOR ANDROID#
3. #FIREFOX WEB EXTENSIONS DIFFERENCES CODE#
4. #FIREFOX WEB EXTENSIONS DIFFERENCES WINDOWS#

#CVE-2022-22764: Memory safety bugs fixed in Firefox 97 and Firefox ESR 91.6 Reporter Mozilla developers and community Impact high Description This could have been abused to trick the user. Under certain circumstances, a JavaScript alert (or prompt) could have been shown while another website was displayed underneath it.

#FIREFOX WEB EXTENSIONS DIFFERENCES FOR ANDROID#

#CVE-2022-22762: JavaScript Dialogs could have been displayed over other domains on Firefox for Android Reporter James Lee Impact low Description Web-accessible extension pages (pages with a moz-extension:// scheme) were not correctly enforcing the frame-ancestors directive when it was used in the Web Extension's Content Security Policy. #CVE-2022-22761: frame-ancestors Content Security Policy directive was not enforced for framed extension pages Reporter Mart Gil Robles (Mart at FlowCrypt) Impact moderate Description This could have been abused to learn information cross-origin. When importing resources using Web Workers, error messages would distinguish the difference between application/javascript responses and non-script responses.

#CVE-2022-22760: Cross-Origin responses could be distinguished between script and non-script content-types Reporter Luan Herrera Impact moderate Description had a JavaScript event handler - the event handler would have run despite the iframe's sandbox. If a document created a sandboxed iframe without allow-scripts, and subsequently appended an element to the iframe's document that e.g. #CVE-2022-22759: Sandboxed iframes could have executed script if the parent appended elements Reporter Johan Carlsson Impact moderate Description This bug only affects Firefox for Android. On certain phones, or on certain carriers, if the number was dialed this could perform actions on a user's account, similar to a cross-site request forgery attack. When clicking on a tel: link, USSD codes, specified after a * character, would be included in the phone number. #CVE-2022-22758: tel: links could have sent USSD codes to the dialer on Firefox for Android Reporter Kirtikumar Anandrao Ramchandani, Patrick Walker & Eric Lawrence Impact moderate Description This bug only affected Firefox when WebDriver was enabled, which is not the default configuration.

This could have allowed websites to connect back locally to the user's browser to control it. Remote Agent, used in WebDriver, did not validate the Host or Origin headers. #CVE-2022-22757: Remote Agent did not prevent local websites from connecting Reporter James Graham Impact moderate Description

#FIREFOX WEB EXTENSIONS DIFFERENCES CODE#

If a user was convinced to drag and drop an image to their desktop or other folder, the resulting object could have been changed into an executable script which would have run arbitrary code after the user clicked on it. #CVE-2022-22756: Drag and dropping an image could have resulted in the dropped object being an executable Reporter Abdulrahman Alqabandi Impact moderate Description #CVE-2022-22755: XSL could have allowed JavaScript execution after a tab was closed Reporter Jack Wrenn Impact moderate Descriptionīy using XSL Transforms, a malicious webserver could have served a user an XSL document that would continue to execute JavaScript (within the bounds of the same-origin policy) even after the tab was closed. If a user installed an extension of a particular type, the extension could have auto-updated itself and while doing so, bypass the prompt which grants the new version the new requested permissions.

#FIREFOX WEB EXTENSIONS DIFFERENCES UPDATE#

#CVE-2022-22754: Extensions could have bypassed permission confirmation during update Reporter Rob Wu Impact high Description This bug only affects Firefox on Windows. This could have been used to escalate to SYSTEM access.

#FIREFOX WEB EXTENSIONS DIFFERENCES WINDOWS#

#CVE-2022-22753: Privilege Escalation to SYSTEM on Windows via Maintenance Service Reporter Seb Patane Impact high DescriptionĪ Time-of-Check Time-of-Use bug existed in the Maintenance (Updater) Service that could be abused to grant Users write access to an arbitrary directory. Mozilla Foundation Security Advisory 2022-04 Security Vulnerabilities fixed in Firefox 97 Announced FebruImpact high Products Firefox Fixed in