[Bug 781132] Re: corrupted /var/lib/apt/lists

[William Ranvaud]

*** This bug is a duplicate of bug 346386 ***
    https://bugs.launchpad.net/bugs/346386

** This bug has been marked a duplicate of bug 346386
   [MASTER] Update fails with invalid package files with "Encountered a section with no Package: header"

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https://bugs.launchpad.net/bugs/781132

Title:
  corrupted /var/lib/apt/lists

Status in “aptitude” package in Ubuntu:
  New

Bug description:
  Binary package hint: aptitude

  I was connected to a hotel WiFi system that requires you to register
  on a web page to get access.    My access had expired, and I ran
  "aptitude update" and aptitude happily sucked in the hotel's page that
  explains how to register for access, instead of the desired page
  describing packages.     This page ended up in
  /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_natty-
  security_main_i18n_Translation-en and other places.

  As a result, you get error messages, but it seems likely this could
  enable attacks on the system, if the web page were designed to be
  evil, instead of a WiFi registration page.

  Here's a sample error from aptitude search:
  E: Encountered a section with no Package: header
  E: Problem with MergeList /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_natty-security_main_binary-amd64_Packages
  E: The package lists or status file could not be parsed or opened.

  I attach one of the corrupted files (...security.ubuntu
  .com_ubuntu_dists_natty-security_main_binary-amd64_Packages).

  $ lsb_release -rd
  Description:	Ubuntu 11.04
  Release:	11.04
  gpk at nglap:~/notconnected$ 

  $ apt-cache policy aptitude
  E: Encountered a section with no Package: header
  E: Problem with MergeList /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_natty-security_main_i18n_Translation-en
  E: The package lists or status file could not be parsed or opened.
  gpk at nglap:~/notconnected$ 

  The system was up to date as of 7 May 2011.

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