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authorJulian Andres Klode <julian.klode@canonical.com>2019-01-18 09:13:52 +0100
committerJulian Andres Klode <julian.klode@canonical.com>2019-01-18 11:43:55 +0100
commitba245013f2801b102fdaa305fbc1bbf8b04866f8 (patch)
treec0eec824215ef5fcb129dc29ddfe770b937ed69f /methods/rfc2553emu.cc
parentac0d26d4e39da16bdbf575637fd3d4b24a7fb4b8 (diff)
SECURITY UPDATE: content injection in http method (CVE-2019-3462)
This fixes a security issue that can be exploited to inject arbritrary debs or other files into a signed repository as followed: (1) Server sends a redirect to somewhere%0a<headers for the apt method> (where %0a is \n encoded) (2) apt method decodes the redirect (because the method encodes the URLs before sending them out), writting something like somewhere\n <headers> into its output (3) apt then uses the headers injected for validation purposes. Regression-Of: c34ea12ad509cb34c954ed574a301c3cbede55ec LP: #1812353
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