18 January 2023
Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2023.0269 MFSA 2023-02 Security Vulnerabilities fixed in Firefox ESR 102.7 18 January 2023 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Firefox ESR Publisher: Mozilla Operating System: Windows Linux variants Resolution: Patch/Upgrade CVE Names: CVE-2023-23605 CVE-2023-23603 CVE-2023-23602 CVE-2023-23601 CVE-2023-23599 CVE-2023-23598 CVE-2022-46877 CVE-2022-46871 Original Bulletin: https://www.mozilla.org/en-US/security/advisories/mfsa2023-02/ Comment: CVSS (Max): 8.8* CVE-2022-46871 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) CVSS Source: NVD Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H * Not all CVSS available when published - --------------------------BEGIN INCLUDED TEXT-------------------- Mozilla Foundation Security Advisory 2023-02 Security Vulnerabilities fixed in Firefox ESR 102.7 Announced: January 17, 2023 Impact: high Products: Firefox ESR Fixed in: Firefox ESR 102.7 # CVE-2022-46871: libusrsctp library out of date Reporter: Mozilla Developers Impact: high Description An out of date library (libusrsctp) contained vulnerabilities that could potentially be exploited. References o Bug 1795697 # CVE-2023-23598: Arbitrary file read from GTK drag and drop on Linux Reporter: Tom Schuster Impact: high Description Due to the Firefox GTK wrapper code's use of text/plain for drag data and GTK treating all text/plain MIMEs containing file URLs as being dragged a website could arbitrarily read a file via a call to DataTransfer.setData. References o Bug 1800425 # CVE-2023-23599: Malicious command could be hidden in devtools output on Windows Reporter: Vadim Impact: moderate Description When copying a network request from the developer tools panel as a curl command the output was not being properly sanitized and could allow arbitrary commands to be hidden within. References o Bug 1777800 # CVE-2023-23601: URL being dragged from cross-origin iframe into same tab triggers navigation Reporter: Luan Herrera Impact: moderate Description Navigations were being allowed when dragging a URL from a cross-origin iframe into the same tab which could lead to website spoofing attacks References o Bug 1794268 # CVE-2023-23602: Content Security Policy wasn't being correctly applied to WebSockets in WebWorkers Reporter: Dave Vandyke Impact: moderate Description A mishandled security check when creating a WebSocket in a WebWorker caused the Content Security Policy connect-src header to be ignored. This could lead to connections to restricted origins from inside WebWorkers. References o Bug 1800890 # CVE-2022-46877: Fullscreen notification bypass Reporter: Hafiizh Impact: low Description By confusing the browser, the fullscreen notification could have been delayed or suppressed, resulting in potential user confusion or spoofing attacks. References o Bug 1795139 # CVE-2023-23603: Calls to <code>console.log</code> allowed bypasing Content Security Policy via format directive Reporter: Dan Veditz Impact: low Description Regular expressions used to filter out forbidden properties and values from style directives in calls to console.log weren't accounting for external URLs. Data could then be potentially exfiltrated from the browser. References o Bug 1800832 # CVE-2023-23605: Memory safety bugs fixed in Firefox 109 and Firefox ESR 102.7 Reporter: Mozilla developers and community Impact: high Description Mozilla developers and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 108 and Firefox ESR 102.6. 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. References o Memory safety bugs fixed in Firefox 109 and Firefox ESR 102.7 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to firstname.lastname@example.org and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. 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On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: https://auscert.org.au/gpg-key/ iQIVAwUBY8dRkskNZI30y1K9AQjkoxAAlUUqcIVsDXfD+CGysuZDe83J61FWKx6M N51gsjsqcdLxOsXC+TzZzvXNWzoXYJtNhRsfHvxFvLy3Cw1WJeHHNV7IE0XdUwei RRF/GRQrvqE9RkfYN/1PDEcVcGK8KptC+jjw1v2CZnaQeQUVhmY0wCn21RyQYxBe FnIthuJ1xH3lkcHtGytgQ7L9eoBaJrvq6BYUcVSj7Y/FqW2xiLxoS6ipGVCazc5f WzT244BtzG983spybZ7zfkKEbDmJeYuxWiB954h/6LXCTqo6fKNdtK+CJNrxYfOJ TcBDvBnWfFxnqy2ovoMt8Y9KdyYiWKDuOQGowOAi3a32LUe+kogKRnAQRghaxXxW wOvmZpT/mdR41oO1WM58HQSIc4dq0+dtmcCghFeIEGdVv5GqaF3ufnV+80JZRc0U fcEjlz2UCNv0wNkNtzwBV1uLVyQSgpT+cUpRvJEVKUsF+pMIek7OxXOH9QbVAHts sJnHHrCD3t/dJfiKh+Wl7aS4JKG+ZaFLjZ7NIlP71fgxKiP+nZTcC2PQWPGf4NGK sCR1vkJ4dg5N1kh1gdtjeabqGOgV9sLfZg41ebOS19LJgCYgGjYLuNW8BpFtFfpy 4qGbhNhbvEoqFfP5WdlVFvhaIigsvzNS5sn7toQbbiZ3mImPuqiupHzMbbN7Rf0b xkFrS1i1+DQ= =/WY7 -----END PGP SIGNATURE-----