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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.0270 python-bottle security update 25 January 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: python-bottle Publisher: Debian Operating System: Debian GNU/Linux Windows Impact/Access: Provide Misleading Information -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2020-28473 Original Bulletin: https://www.debian.org/lts/security/2021/dla-2531 Comment: This advisory references vulnerabilities in products which run on platforms other than Debian. It is recommended that administrators running python-bottle check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 - - ----------------------------------------------------------------------- Debian LTS Advisory DLA-2531-1 debian-lts@lists.debian.org https://www.debian.org/lts/security/ Utkarsh Gupta January 24, 2021 https://wiki.debian.org/LTS - - ----------------------------------------------------------------------- Package : python-bottle Version : 0.12.13-1+deb9u1 CVE ID : CVE-2020-28473 The package src:python-bottle before 0.12.19 are vulnerable to Web Cache Poisoning by using a vector called parameter cloaking. When the attacker can separate query parameters using a semicolon (;), they can cause a difference in the interpretation of the request between the proxy (running with default configuration) and the server. This can result in malicious requests being cached as completely safe ones, as the proxy would usually not see the semicolon as a separator, and therefore would not include it in a cache key of an unkeyed parameter. For Debian 9 stretch, this problem has been fixed in version 0.12.13-1+deb9u1. We recommend that you upgrade your python-bottle packages. For the detailed security status of python-bottle please refer to its security tracker page at: https://security-tracker.debian.org/tracker/python-bottle Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS - -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEbJ0QSEqa5Mw4X3xxgj6WdgbDS5YFAmANtoUACgkQgj6WdgbD S5YWeA//cGFSBMHf2GqnRWAeUuBWCEtQHxgukTCMig+W5VduyMzzHSw7X0I5IiO0 aFZU2DICGDo87u7f670Sl6AqcEjgZHsHW+jt3pCOErhjwIoFOSIpNzW2s2npCOrU hjTrJm3TNVuOlNArh+ttaUFoF5D5WwkH9Rr4wXelkxrYAvvABXfcePhIVCN/oMld qHnJ5IJuW/PRocAxCEJDs8t+glSgTwEHVj8y92K5joz1eZ0XaAoBgJ0ALPJbX7ay aNnymGUk/crFZcyRYBtoeXthzLpmPD10kFX7SXAql/H/+d6uhzHYN1bPpd/x25G0 QHT4RXzXJNFGx9FFiXz1QvZtoKyx2ShOgZ2TW2htPwr/XQcLbjHYtlnKZ8kufv65 Oa6wE2xhH/o8opKoI6jtJSnCMYL1vwBRPTFSysR0WG2nry5wzpEAfE1+n5NODjCv 5cuPpAwuk7OM5p67lbfP0efEcSBWU446LYEOBWI4dVTcVv+kuTKlPbmbmzRMAOaH zl11FJ4q50e9gcqyWO5Ln3fTbM7h0SAAFHnUz4tL/MG8JVbsG/UaOTiJ8uSuvUkQ Zko+s8OmPYh3JHJ5dmM551VGtK4VRbueJ+EnQ+CeyRiGSlm66uvvE167I2DZOuMA oI/S/kf7azc/Al+Pv2m3lRcr4WOuZpzyXKQCH3uG1w+fGiM6owI= =bApF - -----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). 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