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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.6479 MFSA 2022-52 Security Vulnerabilities fixed in Firefox ESR 102.6 14 December 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Firefox ESR Publisher: Mozilla Operating System: Windows UNIX variants (UNIX, Linux, OSX) Resolution: Patch/Upgrade CVE Names: CVE-2022-46882 CVE-2022-46881 CVE-2022-46880 CVE-2022-46878 CVE-2022-46875 CVE-2022-46874 CVE-2022-46872 Original Bulletin: https://www.mozilla.org/en-US/security/advisories/mfsa2022-52/ Comment: CVSS (Max): None available when published - --------------------------BEGIN INCLUDED TEXT-------------------- Mozilla Foundation Security Advisory 2022-52 Security Vulnerabilities fixed in Firefox ESR 102.6 Announced: December 13, 2022 Impact: high Products: Firefox ESR Fixed in: Firefox ESR 102.6 # CVE-2022-46880: Use-after-free in WebGL Reporter: Atte Kettunen Impact: high Description A missing check related to tex units could have led to a use-after-free and potentially exploitable crash. References o Bug 1749292 # CVE-2022-46872: Arbitrary file read from a compromised content process Reporter: Nika Layzell Impact: high Description An attacker who compromised a content process could have partially escaped the sandbox to read arbitrary files via clipboard-related IPC messages. This bug only affects Firefox for Linux. Other operating systems are unaffected. References o Bug 1799156 # CVE-2022-46881: Memory corruption in WebGL Reporter: Karl and an Anonymous ASAN Nightly User Impact: high Description An optimization in WebGL was incorrect in some cases, and could have led to memory corruption and a potentially exploitable crash. References o Bug 1770930 # CVE-2022-46874: Drag and Dropped Filenames could have been truncated to malicious extensions Reporter: Matthias Zoellner Impact: moderate Description A file with a long filename could have had its filename truncated to remove the valid extension, leaving a malicious extension in its place. This could potentially led to user confusion and the execution of malicious code. References o Bug 1746139 # CVE-2022-46875: Download Protections were bypassed by .atloc and .ftploc files on Mac OS Reporter: Dohyun Lee Impact: moderate Description The executable file warning was not presented when downloading .atloc and .ftploc files, which can run commands on a user's computer. Note: This issue only affected Mac OS operating systems. Other operating systems are unaffected. References o Bug 1786188 # CVE-2022-46882: Use-after-free in WebGL Reporter: Irvan Kurniawan Impact: moderate Description A use-after-free in WebGL extensions could have led to a potentially exploitable crash. References o Bug 1789371 # CVE-2022-46878: Memory safety bugs fixed in Firefox 108 and Firefox ESR 102.6 Reporter: Mozilla developers Impact: high Description Mozilla developers Randell Jesup, Valentin Gosu, Olli Pettay, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 107 and Firefox ESR 102.5. 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 108 and Firefox ESR 102.6 - --------------------------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. 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If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: https://auscert.org.au/gpg-key/ iQIVAwUBY5kB7ckNZI30y1K9AQjF9BAAoHYQ+pEwA9FFy3iiE+OKf/jjkCAiWSX1 vJo4njR1UAT9arxeXGDup1ZsknX7bT7XD/N3jz4DBrisJurWFahhhMN+QbdnXUQB deiijcemuUcWI9i3JpQ2oG/gif6LMzxYksWsHCAtoz1pej4kR3egn7Its/VaJTe7 2KHY0hV3T3l88AQiM0fVq321So/LV1YgNdCTN/KAV4oS3yryxDs2xfPEdW87l6fB nsTal9TYXZm74Xrtu6vxlRzB4Z1QF6DazuvlUTVz0ZwydAFYkIsC/3pwg25y3P9x qdKmxhUuoc3WXONm2+aIPTUI62VMBISyMOoexf1GUVDrIGjUFJAor4dwayD9b1Hx 2kharf3gQOXzOsDnBq5zFtU5di2BR6GcnVmEbRXyFPn2/TOHyNXy4wL2Byc8aZVT bmcs1ZHLZAS8w14Fv1jhZObQxMCuh5nedP4EI9TGk7JZux/4++I13DtsICFdYl/A /d06E3ALVsiItfT4m5ej0JoCRLoeLDlH2SpR3mqdgcFF3nNNxp8i0dxlDzLcHgFA LcQ9Xj9uB2+xl3PqqFKoF1yv/lvKVtWZALmFV1x90UFTbmUdYScnuKG9NqTXLI01 H8Le5NJNL/DgWsiohnybesX+u8aqsVVgmQKpUGHrM6NEGvIeglOkECETTVhxVqCe S/QKICV4b70= =vSq0 -----END PGP SIGNATURE-----