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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>2019-01-22 12:50:59 +0100
commit5eb01ec13f3ede4bae5e60eb16bd8cffb7c03e1b (patch)
treeef175cd009c79c9450ea3d7d409f0f8aafcc8155 /apt-pkg/indexfile.cc
parentb1314a7f81cde0b4320ad9296d8fcc9bd6fbc55f (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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