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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.6265 USN-5743-2: LibTIFF vulnerability 2 December 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: LibTIFF Publisher: Ubuntu Operating System: Ubuntu Resolution: Patch/Upgrade CVE Names: CVE-2022-3970 Original Bulletin: https://ubuntu.com/security/notices/USN-5743-2 Comment: CVSS (Max): 9.8 CVE-2022-3970 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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:N/S:U/C:H/I:H/A:H - --------------------------BEGIN INCLUDED TEXT-------------------- USN-5743-2: LibTIFF vulnerability 1 December 2022 LibTIFF could be made to crash or run programs as your login if it opened a specially crafted file. Releases o Ubuntu 22.10 o Ubuntu 22.04 LTS o Ubuntu 20.04 LTS o Ubuntu 18.04 LTS Packages o tiff - Tag Image File Format (TIFF) library Details USN-5743-1 fixed a vulnerability in LibTIFF. This update provides the corresponding updates for Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu 22.10. Original advisory details: It was discovered that LibTIFF incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user privileges. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 22.10 o libtiff-tools - 4.4.0-4ubuntu3.2 o libtiff5 - 4.4.0-4ubuntu3.2 Ubuntu 22.04 o libtiff-tools - 4.3.0-6ubuntu0.3 o libtiff5 - 4.3.0-6ubuntu0.3 Ubuntu 20.04 o libtiff-tools - 4.1.0+git191117-2ubuntu0.20.04.7 o libtiff5 - 4.1.0+git191117-2ubuntu0.20.04.7 Ubuntu 18.04 o libtiff-tools - 4.0.9-5ubuntu0.9 o libtiff5 - 4.0.9-5ubuntu0.9 In general, a standard system update will make all the necessary changes. References o CVE-2022-3970 Related notices o USN-5743-1 : libtiffxx5, libtiff5, libtiff-doc, tiff, libtiff5-dev, libtiff-tools, libtiff-opengl - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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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/ iQIVAwUBY4lFNckNZI30y1K9AQge2g//d7ntUm5mzey57wCbfZdwkRPnDs0tbfs5 NbakT1GAzqH+Alp3zsNn6a9wM5cbe/8wIxX4mC0mtL0337SyzjZEy1j0ip0YvJyW YjThUzsRhNT45iyvEQX4xBrgCiun4D5D/qTw1P6+GaQfr+Q4g9S3UrpqQ1OFc8DL qU1MH6576x8w7pt1Lpti3by18kY+Y9AAbWweBIxnKHfk4acjN3YK8MKw8AibhQ/G E2hMrrR5BdhU3M9FJxcDZwiB7ZZpSU1IZy6jPJ5LvDFy4FqWF8akzAttQI4tiH75 mE3BKaQrr9hdmxWjeGsyYWYAkkxW4aBB4O6LU27S31dprLpycuQFd1RSnQ+WhMsG 6lGOOx+iopmnf4HPccsKukUevPTdoriC0ixFlnWlg1q3SPllEpjqtzuuZuKS95kp WPdQ2Q43VTnkjHi5TJQ/cEqOMoZ3NCigR/pdISIst4O7wrlac5tX/KUF6ryPz2l4 coeHplri/U8lqel9HgGieFdFPqbSm/C5Qksk0aGR2s14RyrbVucXjRBzTYfpogBJ tZ95/466tE1kfvGW8vWo6uxcwEBXWW5wc/1h7y6Zaeu+UE/VgWVfdBlDuzrkRDyS AIVmb1eo02xMne2etqRxQfC2trD1wEChAo7NS4YdkwDxn6YZTlYXaqtinPTxVFSN SpYrm06sS98= =ka5z -----END PGP SIGNATURE-----