USN-3964-1: python-gnupg vulnerabilities
python-gnupg vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.04
- Ubuntu 18.10
- Ubuntu 18.04 LTS
Summary
Several security issues were fixed in python-gnupg
Software Description
- python-gnupg – Python wrapper for the GNU Privacy Guard
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
- python-gnupg – 0.4.3-1ubuntu1.19.04.1
- python3-gnupg – 0.4.3-1ubuntu1.19.04.1
- Ubuntu 18.10
- python-gnupg – 0.4.1-1ubuntu1.18.10.1
- python3-gnupg – 0.4.1-1ubuntu1.18.10.1
- Ubuntu 18.04 LTS
- python-gnupg – 0.4.1-1ubuntu1.18.04.1
- python3-gnupg – 0.4.1-1ubuntu1.18.04.1
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Source: USN-3964-1: python-gnupg vulnerabilities
