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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.4387.2 lxml security update 21 December 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: lxml Publisher: Debian Operating System: Debian GNU/Linux Impact/Access: Cross-site Scripting -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2020-27783 Reference: ESB-2020.4344.2 ESB-2020.4203 Original Bulletin: http://www.debian.org/security/2020/dsa-4810 http://www.debian.org/security/2020/dsa-4810-2 Comment: This bulletin contains two (2) Debian security advisories. Revision History: December 21 2020: DSA-4810-2 fixes regression introduced in DSA-4810-1 December 14 2020: Initial Release - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - - ------------------------------------------------------------------------- Debian Security Advisory DSA-4810-2 security@debian.org https://www.debian.org/security/ Salvatore Bonaccorso December 19, 2020 https://www.debian.org/security/faq - - ------------------------------------------------------------------------- Package : lxml The update for lxml released as 4810-1 introduced a regression when running under Python 2. Updated lxml packages are now available to correct this issue. For the stable distribution (buster), this problem has been fixed in version 4.3.2-1+deb10u2. We recommend that you upgrade your lxml packages. For the detailed security status of lxml please refer to its security tracker page at: https://security-tracker.debian.org/tracker/lxml Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: debian-security-announce@lists.debian.org - -----BEGIN PGP SIGNATURE----- iQKTBAEBCgB9FiEERkRAmAjBceBVMd3uBUy48xNDz0QFAl/dyuNfFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldDQ2 NDQ0MDk4MDhDMTcxRTA1NTMxRERFRTA1NENCOEYzMTM0M0NGNDQACgkQBUy48xND z0QjQw/9F4XSY1aQdWPVTztW8W3qAylUaO7o7x62eR7AY+Kmp265ypOMfz2Q0s4+ NegUQjNNyZDZxS+EJTeQj6mRKnGdaicR6nB61Thr3qPfQJFb9NlGpy+VB+s7mfFq Ai9mms61OaSl0mfu/zUKn1G0/82PgzxX+MoDy68zywtHp0tXy1CVKS6D9gmFNDla 5K+70oIVHyU3anBc+ryBQZFjLhwUi8lKB8it+UMa1Hp314WoEltqUJun9U01/aLp VXrtS7JOLnhSlsM/johRhEFJ6/CH9nC/Xpg48ddlJtn4JcK1EfeDMSd15rdbcKdE F+OULIuMpj47IKml4aCUI3rmKvZGkc0gELNGhBKF2UvrDm79VNE1L3+fmHPy0CDL By7o4VSbL8d65YLgCs8UFlpq+4dkqaNOtvGh/VIvImNCnX3GcpEvkIWnYQ7/FwpK tUYdMClvaQM2HjSF2N92zBPXOVUGZ5tUXoqVmGy0DMD7yhQwjuYGCmqMsmRyqOJS 4RDoKXoRCgY0i33KVkykyR7PDOQtqYGGBuaYwKRcbsz0N+5byazqrPSllNfBhADd 982ndVDapnQ6CERWRgdNboTAnIDxuui6SbSl2w9z4QmOtbROwy8JbL+KfQyMEQsS 08X1EER43r1oIqOaNYAN5K+m1aMvyi5V/EbLx1EZlWmSVW8yz58= =LWWp - -----END PGP SIGNATURE----- - -------------------------------------------------------------------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - - ------------------------------------------------------------------------- Debian Security Advisory DSA-4810-1 security@debian.org https://www.debian.org/security/ Moritz Muehlenhoff December 13, 2020 https://www.debian.org/security/faq - - ------------------------------------------------------------------------- Package : lxml CVE ID : CVE-2020-27783 Yaniv Nizry discovered that the clean module of lxml, Python bindings for libxml2 and libxslt could be bypassed. For the stable distribution (buster), this problem has been fixed in version 4.3.2-1+deb10u1. We recommend that you upgrade your lxml packages. For the detailed security status of lxml please refer to its security tracker page at: https://security-tracker.debian.org/tracker/lxml Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: debian-security-announce@lists.debian.org - -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEtuYvPRKsOElcDakFEMKTtsN8TjYFAl/WWsYACgkQEMKTtsN8 TjZ8rhAAmQOnxkDYDbOogvwhzOpoxPY9d2DOlMfRaPgRJcGGRmJBOJojH/hdLSA9 wlAIjvaqp+6xmbVdsdkA6+tvXY2O1ah/ZMlJc6b8AIuaDebIM9BjnBNa/jTVKuvO I+AkKyloyPLfbM2Nq9FsG5cjVlaY6SdeWSUyq+p8Vpu3h8F6/topMXQlXwNpLZ5E sYZ+YcFqs9Ct/ESjZylQS1Nt9nAtlPfcvVLmLniWI/71Is6RBUzKmt2dK/Wnibsf bvAFUMddQfx1LuHSV+J7gYPyU/b84s1wDcnQDn2LOy5gVQ9s04hxB7YEoEitGY8M hNF54iwweu61VOPM9WmwJDkr/AVEQis+JRoG9kgdJQgv+vFmFxSgzXS0C1JXHLmI X2XoskxVYyTnHCZDc5huTjUNJNqQgDXgQnC78oBGcdWsdy0LX9NDU4T5VmWJ/aJg X2NyBkQp9udx+WT5Sh4OTcif+U1K6D2xIQFHCHaAPQg+KuBdzvYOlmk+mYwmlqyh 3Qi+l7he0eHIFJsyn7OZExtCwfShKk6vMjEK3ZVNxCKHHXODWbNVKDEumPfFzEMN 72zl/xpz+a9N6vzkB/IImXkBDGGrfhdeEgm+onEG5R/698jEPHK9chnBqqIKLeD+ 3iNobIWPX9N9fcMRbygnXm5asPHLtEjwqW2QOjFKBlJ3isleOgI= =5Uou - -----END PGP SIGNATURE----- - --------------------------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: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBX+AQUONLKJtyKPYoAQjn3A//TKlUrIROG21xVQRaq+Q9Xgsp4BLdEM8c oObOxIx2enAXyJmzEmqf10+1xSLMbLdD/Mle4IWitXHsISJ4AZNQDKguSURDiMci Yda1sLBI2O8IivlHgYO/7AjMVPKR1Uq+E5xWvkUX80WiN7F7EpBGz5eN2LbM3q/o fGKq0H6oFdwcpbtNxQSXq0+/zHbyM9nGayLxjaqvANHq5+DYHPAx1ctZ6YbqEsnG dXG4k++o0p2IMhrLmWqdwYT+7yWaMk8ERke+OM42EgHVdM0xfktyxxbZa3Anfnze jwdKFU4aWGvLR0hRksarc2aLf0mvlW/q0Xglxb/23O8wTgkLBfThF4XlUaaMihZZ zpZKuLVG6KP3HWhiVx891g8wbMHFUR6jFiqkTsfh1dV2FqS5+DPB89s1uJ3+/r1G +LTyUfP1njAV36NwPN3R1OYwA8L2nKsewope/4+tRZwSYcKVg8Y+1J8RNvSzq3dY bXYrO2XHHRVOzuvVNZY6+R5smpLgoTNRa3dXcs0iboTnjEXXBu9nuf3OBq3qKXMj gxnOQz8btnhSbQz9JIpibfgrMKvqURdm5MFaWRV3Q7cFBS9EXd5igjOMTUydWROq llfNhoUJyF4iZ5d5un4xq/fFN0lQIUan7+GKqhCyl0WG7asLi7ZC2YiSJG82V++3 WxfgWxSx5rc= =yBXE -----END PGP SIGNATURE-----