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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.4411 USN-4670-1: ImageMagick vulnerabilities 16 December 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: ImageMagick Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Denial of Service -- Existing Account Reduced Security -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-27560 CVE-2019-19949 CVE-2019-19948 Reference: ESB-2020.3913 Original Bulletin: https://ubuntu.com/security/notices/USN-4670-1 - --------------------------BEGIN INCLUDED TEXT-------------------- USN-4670-1: ImageMagick vulnerabilities 15 December 2020 Several security issues were fixed in ImageMagick. Releases o Ubuntu 20.10 o Ubuntu 20.04 LTS o Ubuntu 18.04 LTS o Ubuntu 16.04 LTS Packages o imagemagick - Image manipulation programs and library Details It was discovered that ImageMagick incorrectly handled certain specially crafted image files. If a user or automated system using ImageMagick were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service or other unspecified impact. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.10. (CVE-2019-19948, CVE-2019-19949) It was discovered that ImageMagick incorrectly handled certain specially crafted image files. If a user or automated system using ImageMagick were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service. (CVE-2020-27560) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 20.10 o imagemagick - 8:6.9.10.23+dfsg-2.1ubuntu13.1 o imagemagick-6.q16 - 8:6.9.10.23+dfsg-2.1ubuntu13.1 o imagemagick-6.q16hdri - 8:6.9.10.23+dfsg-2.1ubuntu13.1 o libmagick++-6.q16-8 - 8:6.9.10.23+dfsg-2.1ubuntu13.1 o libmagick++-6.q16hdri-8 - 8:6.9.10.23+dfsg-2.1ubuntu13.1 o libmagickcore-6.q16-6 - 8:6.9.10.23+dfsg-2.1ubuntu13.1 o libmagickcore-6.q16-6-extra - 8:6.9.10.23+dfsg-2.1ubuntu13.1 o libmagickcore-6.q16hdri-6 - 8:6.9.10.23+dfsg-2.1ubuntu13.1 o libmagickcore-6.q16hdri-6-extra - 8:6.9.10.23+dfsg-2.1ubuntu13.1 o libmagickwand-6.q16-6 - 8:6.9.10.23+dfsg-2.1ubuntu13.1 o libmagickwand-6.q16hdri-6 - 8:6.9.10.23+dfsg-2.1ubuntu13.1 Ubuntu 20.04 o imagemagick - 8:6.9.10.23+dfsg-2.1ubuntu11.2 o imagemagick-6.q16 - 8:6.9.10.23+dfsg-2.1ubuntu11.2 o imagemagick-6.q16hdri - 8:6.9.10.23+dfsg-2.1ubuntu11.2 o libmagick++-6.q16-8 - 8:6.9.10.23+dfsg-2.1ubuntu11.2 o libmagick++-6.q16hdri-8 - 8:6.9.10.23+dfsg-2.1ubuntu11.2 o libmagickcore-6.q16-6 - 8:6.9.10.23+dfsg-2.1ubuntu11.2 o libmagickcore-6.q16-6-extra - 8:6.9.10.23+dfsg-2.1ubuntu11.2 o libmagickcore-6.q16hdri-6 - 8:6.9.10.23+dfsg-2.1ubuntu11.2 o libmagickcore-6.q16hdri-6-extra - 8:6.9.10.23+dfsg-2.1ubuntu11.2 o libmagickwand-6.q16-6 - 8:6.9.10.23+dfsg-2.1ubuntu11.2 o libmagickwand-6.q16hdri-6 - 8:6.9.10.23+dfsg-2.1ubuntu11.2 Ubuntu 18.04 o imagemagick - 8:6.9.7.4+dfsg-16ubuntu6.9 o imagemagick-6.q16 - 8:6.9.7.4+dfsg-16ubuntu6.9 o imagemagick-6.q16hdri - 8:6.9.7.4+dfsg-16ubuntu6.9 o libmagick++-6.q16-7 - 8:6.9.7.4+dfsg-16ubuntu6.9 o libmagick++-6.q16hdri-7 - 8:6.9.7.4+dfsg-16ubuntu6.9 o libmagickcore-6.q16-3 - 8:6.9.7.4+dfsg-16ubuntu6.9 o libmagickcore-6.q16-3-extra - 8:6.9.7.4+dfsg-16ubuntu6.9 o libmagickcore-6.q16hdri-3 - 8:6.9.7.4+dfsg-16ubuntu6.9 o libmagickcore-6.q16hdri-3-extra - 8:6.9.7.4+dfsg-16ubuntu6.9 o libmagickwand-6.q16-3 - 8:6.9.7.4+dfsg-16ubuntu6.9 o libmagickwand-6.q16hdri-3 - 8:6.9.7.4+dfsg-16ubuntu6.9 Ubuntu 16.04 o imagemagick - 8:6.8.9.9-7ubuntu5.16 o imagemagick-6.q16 - 8:6.8.9.9-7ubuntu5.16 o libmagick++-6.q16-5v5 - 8:6.8.9.9-7ubuntu5.16 o libmagickcore-6.q16-2 - 8:6.8.9.9-7ubuntu5.16 o libmagickcore-6.q16-2-extra - 8:6.8.9.9-7ubuntu5.16 o libmagickwand-6.q16-2 - 8:6.8.9.9-7ubuntu5.16 In general, a standard system update will make all the necessary changes. References o CVE-2019-19949 o CVE-2020-27560 o CVE-2019-19948 Related notices o USN-4549-1 : libmagickcore-6.q16-6, imagemagick, imagemagick-6.q16, libmagick++-6.q16-8 - --------------------------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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