Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.3257 USN-5504-1: Firefox vulnerabilities 6 July 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Firefox Publisher: Ubuntu Operating System: Ubuntu Resolution: Patch/Upgrade CVE Names: CVE-2022-34485 CVE-2022-34484 CVE-2022-34483 CVE-2022-34482 CVE-2022-34481 CVE-2022-34480 CVE-2022-34479 CVE-2022-34477 CVE-2022-34476 CVE-2022-34475 CVE-2022-34474 CVE-2022-34473 CVE-2022-34472 CVE-2022-34471 CVE-2022-34470 CVE-2022-34468 CVE-2022-2200 Original Bulletin: https://ubuntu.com/security/notices/USN-5504-1 Comment: CVSS (Max): 7.5* CVE-2022-34484 (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H) CVSS Source: Red Hat Calculator: https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H * Not all CVSS available when published - --------------------------BEGIN INCLUDED TEXT-------------------- USN-5504-1: Firefox vulnerabilities 5 July 2022 Firefox could be made to crash or run programs as your login if it opened a malicious website. Releases o Ubuntu 21.10 o Ubuntu 20.04 LTS o Ubuntu 18.04 LTS Packages o firefox - Mozilla Open Source web browser Details Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, spoof the browser UI, bypass CSP restrictions, bypass sandboxed iframe restrictions, obtain sensitive information, bypass the HTML sanitizer, or execute arbitrary code. ( CVE-2022-2200 , CVE-2022-34468 , CVE-2022-34470 , CVE-2022-34473 , CVE-2022-34474 , CVE-2022-34475 , CVE-2022-34476 , CVE-2022-34477 , CVE-2022-34479 , CVE-2022-34480 , CVE-2022-34481 , CVE-2022-34484 , CVE-2022-34485 ) It was discovered that Firefox could be made to save an image with an executable extension in the filename when dragging and dropping an image in some circumstances. If a user were tricked into dragging and dropping a specially crafted image, an attacker could potentially exploit this to trick the user into executing arbitrary code. ( CVE-2022-34482 , CVE-2022-34483 ) It was discovered that a compromised server could trick Firefox into an addon downgrade in some circumstances. An attacker could potentially exploit this to trick the browser into downgrading an addon to a prior version. ( CVE-2022-34471 ) It was discovered that an unavailable PAC file caused OCSP requests to be blocked, resulting in incorrect error pages being displayed. ( CVE-2022-34472 ) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 21.10 o firefox - 102.0+build2-0ubuntu0.21.10.1 Ubuntu 20.04 o firefox - 102.0+build2-0ubuntu0.20.04.1 Ubuntu 18.04 o firefox - 102.0+build2-0ubuntu0.18.04.1 After a standard system update you need to restart Firefox to make all the necessary changes. References o CVE-2022-34471 o CVE-2022-34475 o CVE-2022-34470 o CVE-2022-34477 o CVE-2022-34483 o CVE-2022-34481 o CVE-2022-34479 o CVE-2022-34485 o CVE-2022-34482 o CVE-2022-2200 o CVE-2022-34473 o CVE-2022-34472 o CVE-2022-34480 o CVE-2022-34476 o CVE-2022-34484 o CVE-2022-34474 o CVE-2022-34468 - --------------------------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 auscert@auscert.org.au 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. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. 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/ iQIVAwUBYsTeRckNZI30y1K9AQjUTA/+IzVDIG/W3qmVYzFMaCCyEU2Dc5zzmwsR 0XEIMVK0xN7pKFM7eAlqIErEcjTNvPTQhNrYHpILfp+uHiJfgqV85UpBtFeq9mdl 3mo6m2slconzUBDDnPv/I9WT9RFEGOp6aejOovuNU6/SoV1q+J5NyLE73ODTHDQF /zC7vErv0AMszusJGDN27bar45OX0KwCwfYEn47XL0W+wRRZWj6xaRz8o9/WAymP NoD/PxW6eSmpDLajhplxA8OjdPhCbP5IC0sG3VrUdSr4ab6vEagPM40o6w6k9mLq vMKegUOJ3dHR4+ugNtZuV3GDKu53p7IIZlkhWlDgX28MhGSwE75i8DjJplgVbhtk gn/mG9BdNfE1NNPwnAcA/Lb980qqQ5m2D+mAXiu7aF0XoAUCIP644E63XBr4PhqF v9wt0CCxEoJCC1B7PU5wMTVqp6UBi/MVqiAgObA2trFCARpU1cOxMiTIqdEW9btM lkSIPvJmi1nKhEEvewsJh8iGZYxzJhaNSHJ/27OvIPzxj7U3j/A0dNX6MaENGQ93 lJjccMYcP2nb8E8tktu0EPe740s3RI5qFDMXQlxXTBwTnPwMNdYFFxuZ/+8GytU4 QSYyX1X97+WMPTA4as+xD7anf+M3vj+COG1YwqRoHF4yYbYkmbMmbCc8KugQPx4E HuLL2JD0F5s= =DFRm -----END PGP SIGNATURE-----