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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.0191 USN-5227-1: Pillow vulnerabilities 14 January 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Pillow Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Denial of Service -- Remote/Unauthenticated Reduced Security -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2022-22817 CVE-2022-22816 CVE-2022-22815 CVE-2021-34552 CVE-2021-23437 Reference: ESB-2021.2665 ESB-2021.2620 Original Bulletin: https://ubuntu.com/security/notices/USN-5227-1 - --------------------------BEGIN INCLUDED TEXT-------------------- USN-5227-1: Pillow vulnerabilities 13 January 2022 Several security issues were fixed in Pillow. Releases o Ubuntu 21.10 o Ubuntu 21.04 o Ubuntu 20.04 LTS o Ubuntu 18.04 LTS Packages o pillow - Python Imaging Library Details It was discovered that Pillow incorrectly handled certain image files. If a user or automated system were tricked into opening a specially-crafted file, a remote attacker could cause Pillow to hang, resulting in a denial of service. ( CVE-2021-23437 ) It was discovered that Pillow incorrectly handled certain image files. If a user or automated system were tricked into opening a specially-crafted file, a remote attacker could cause Pillow to crash, resulting in a denial of service. This issue ony affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 21.04. ( CVE-2021-34552 ) It was discovered that Pillow incorrectly handled certain image files. If a user or automated system were tricked into opening a specially-crafted file, a remote attacker could cause Pillow to crash, resulting in a denial of service, or possibly execute arbitrary code. ( CVE-2022-22815 ) It was discovered that Pillow incorrectly handled certain image files. If a user or automated system were tricked into opening a specially-crafted file, a remote attacker could cause Pillow to crash, resulting in a denial of service. ( CVE-2022-22816 ) It was discovered that Pillow incorrectly handled certain image files. If a user or automated system were tricked into opening a specially-crafted file, a remote attacker could cause Pillow to crash, resulting in a denial of service, or possibly execute arbitrary code. ( CVE-2022-22817 ) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 21.10 o python3-pil - 8.1.2+dfsg-0.3ubuntu0.1 Ubuntu 21.04 o python3-pil - 8.1.2-1ubuntu0.2 Ubuntu 20.04 o python3-pil - 7.0.0-4ubuntu0.5 Ubuntu 18.04 o python3-pil - 5.1.0-1ubuntu0.7 o python-pil - 5.1.0-1ubuntu0.7 In general, a standard system update will make all the necessary changes. References o CVE-2022-22817 o CVE-2022-22816 o CVE-2021-34552 o CVE-2021-23437 o CVE-2022-22815 - --------------------------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. 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On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBYeEDZeNLKJtyKPYoAQi3EQ//aWf2uOfk/8dgNyxKnviLYgmmRcgCpqzc 2vafyWMi5dK5PmI9y5zL1L2RhngBCnAKRGZmqpDs/PiH8/GWQBeOcKV3IK/XvNdQ gN4vwaz79fdPvSSaRYbhpImJdbxxk92etGMyaBuWsmTLGoP0GBHov3qYF3cNP24F kp9yRlXAfKRX3qg4pSzLiW4BysZ10/QoAqnTQu3TEY8lE2fj3rlzJewvh2U9m3Cj HPLBTu/8p+JP7NjwY5Z9IHevi01SRy36Kp/4APhXwGa76zgUH9mmK0tUj8EEcmpz bV5+n+U6lhRPia92ge9xn2e64pdOVxqvQeB2EeVwZZmBG8UIeUSdDqLwA9cSzEOD TblzVHoiHXK7dRNOLqCi1fuzObDtvLcnJptFi6qJIrxRFMqfYk9u3JC5ypwsj/oL VN7MSvttR4LzvNhu7mQymjPna1u20zI+YJiW8gtOFSyrYaDdvtJxpmBTkJQ/2MGQ 8DStxAD9behl7SVa1UnBFbJwJLVtbqVSpEYxz9YAk0V7ZS0tpeTZoiplTb/QOb+r 8YYaDLZEeMcp5Eb6Otc4KFKAfpaRXOKNn6Qa/3B+3XN7O2QbutR9y5VFCdbb0oJs WlG4DMYwUy8ZLG5B9wtyGva6irUsvc7Phyye4Zvnst8jnypPepbIwfdhV+QjThMP I5/w40yhl3o= =NxHf -----END PGP SIGNATURE-----