USN-3964-1: python-gnupg vulnerabilities

02 May 2019

Several security issues were fixed in python-gnupg

Releases

Packages

Details

Marcus Brinkmann discovered that GnuPG before 2.2.8 improperly handled certain
command line parameters. A remote attacker could use this to spoof the output of
GnuPG and cause unsigned e-mail to appear signed.
(CVE-2018-12020)

It was discovered that python-gnupg incorrectly handled the GPG passphrase. A
remote attacker could send a specially crafted passphrase that would allow them
to control the output of encryption and decryption operations.
(CVE-2019-6690)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.04
Ubuntu 18.10
Ubuntu 18.04

In general, a standard system update will make all the necessary changes.

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