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[Brian Morton <rokclimb15@xxxxxxxxx>]

*** This bug is a security vulnerability ***

Public security bug reported:

The _Rsa15 class in the RSA 1.5 algorithm implementation in jwa.py in
jwcrypto before 0.3.2 lacks the Random Filling protection mechanism,
which makes it easier for remote attackers to obtain cleartext data via
a Million Message Attack (MMA).

https://people.canonical.com/~ubuntu-
security/cve/2016/CVE-2016-6298.html

** Affects: python-jwcrypto (Ubuntu)
     Importance: Undecided
     Assignee: Brian Morton (rokclimb15)
         Status: In Progress

** Information type changed from Private Security to Public Security

** Changed in: python-jwcrypto (Ubuntu)
     Assignee: (unassigned) => Brian Morton (rokclimb15)

** Changed in: python-jwcrypto (Ubuntu)
       Status: New => In Progress

** Description changed:

  The _Rsa15 class in the RSA 1.5 algorithm implementation in jwa.py in
  jwcrypto before 0.3.2 lacks the Random Filling protection mechanism, which
- makes it easier for remote attackers to obtain cleartext data via a Million
- Message Attack (MMA).
+ makes it easier for remote attackers to obtain cleartext data via a Million Message Attack (MMA).
  
  https://people.canonical.com/~ubuntu-
  security/cve/2016/CVE-2016-6298.html

** Description changed:

  The _Rsa15 class in the RSA 1.5 algorithm implementation in jwa.py in
- jwcrypto before 0.3.2 lacks the Random Filling protection mechanism, which
- makes it easier for remote attackers to obtain cleartext data via a Million Message Attack (MMA).
+ jwcrypto before 0.3.2 lacks the Random Filling protection mechanism,
+ which makes it easier for remote attackers to obtain cleartext data via
+ a Million Message Attack (MMA).
  
  https://people.canonical.com/~ubuntu-
  security/cve/2016/CVE-2016-6298.html

** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2016-6298

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https://bugs.launchpad.net/bugs/1717356

Title:
  CVE-2016-6298

Status in python-jwcrypto package in Ubuntu:
  In Progress

Bug description:
  The _Rsa15 class in the RSA 1.5 algorithm implementation in jwa.py in
  jwcrypto before 0.3.2 lacks the Random Filling protection mechanism,
  which makes it easier for remote attackers to obtain cleartext data
  via a Million Message Attack (MMA).

  https://people.canonical.com/~ubuntu-
  security/cve/2016/CVE-2016-6298.html

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