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Ubuntu Security Notice USN-3964-1

Posted May 2, 2019

Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3964-1 - 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. 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. Various other issues were also addressed.

tags | advisory, remote, spoof, python

systems | linux, ubuntu

advisories | CVE-2018-12020, CVE-2019-6690

SHA-256 | 4032858588d1e2658d61e5efd5e46c841d62a00dde590953eebf108edf5c4102

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