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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.4704 USN-5632-1: OAuthLib vulnerability 23 September 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: OAuthLib Publisher: Ubuntu Operating System: Ubuntu Resolution: Patch/Upgrade CVE Names: CVE-2022-36087 Original Bulletin: https://ubuntu.com/security/notices/USN-5632-1 Comment: CVSS (Max): 6.5 CVE-2022-36087 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H) CVSS Source: Red Hat Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - --------------------------BEGIN INCLUDED TEXT-------------------- USN-5632-1: OAuthLib vulnerability 22 September 2022 OAuthLib could be made to crash if it received specially crafted network traffic. Releases o Ubuntu 22.04 LTS Packages o python-oauthlib - generic, spec-compliant implementation of OAuth for Python3 Details Sebastian Chnelik discovered that OAuthLib incorrectly handled certain redirect uris. A remote attacker could possibly use this issue to cause OAuthLib to crash, resulting in a denial of service. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 o python3-oauthlib - 3.2.0-1ubuntu0.1 In general, a standard system update will make all the necessary changes. References o CVE-2022-36087 - --------------------------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/ iQIVAwUBYy02PckNZI30y1K9AQjGKQ/8C1/0oL5fqSee7VmXlewKz29Ey9/Nw6gA TFEpabm/81tdo6+vxF9lMs3ymCLj6mzqSZTsDhDRe4SfeiBoDN64sYh3mEKMORW0 9f7To47+drHn8gV+m9XcP5eIqk2wGAX6Na9XakAvu7Ws8IsCqjzwjDpN/rdGw9Q6 c0rv35j7vVxwXcSfNC/T8BUGFyQl0/4Sf63w/kZXjz8nlXpK2Qvc/PVX2Cf3ZriJ tv8g16C2WfQ5XbL2R+X+8VMutCkoKhOc7hm+hFFqCXCcboiyKZMKN6nKKuIAk+QK caHxFiZpJ9hD3JRdcDTyHNajN875GHBZQgLXbOiuLSxdWboYxbLLSPNG+htei4px ln2jQH4ZzX37GfEqbYAYksgjFp29eRHMaRll0PRUqx58M9RLCy5Kh/VLk05n4szQ /3L08ay4AY60M3OqcDxnTEWr8h9pWUoCg3rfFIQSPYNkHEOLNPTZEeLVR4ell+cG lLyC+VXsqhFTGGJ02vNXJR03K0k3mn84QtlLSt9V/p283EPewOVAxMM7aw6DEWqg fhQwxtc9xBl6rHMvCMSCYp48prYq0gJIev+lFn4LRYm9vuxdnEUN+ORA+UQ6c9v2 58BDR9ctW6lsPEKkxkeH+A+i3dhgION2+jUH5B+HTOSK6rO0PDdbinkQ2yRPzn8H nfydHYxQcBw= =3mTj -----END PGP SIGNATURE-----