Packages
- python-apt - Python interface to libapt-pkg
Details
USN-4247-1 fixed vulnerabilities in python-apt. The updated packages caused
a regression when attempting to upgrade to a new Ubuntu release. This
update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
It was discovered that python-apt would still use MD5 hashes to validate
certain downloaded packages. If a remote attacker were able to perform a
machine-in-the-middle attack, this flaw could potentially be used to install
altered packages. (CVE-2019-15795)
It was discovered that python-apt could install packages from untrusted
repositories, contrary to expectations. (CVE-2019-15796)
USN-4247-1 fixed vulnerabilities in python-apt. The updated packages caused
a regression when attempting to upgrade to a new Ubuntu release. This
update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
It was discovered that python-apt would still use MD5 hashes to validate
certain downloaded packages. If a remote attacker were able to perform a
machine-in-the-middle attack, this flaw could potentially be used to install
altered packages. (CVE-2019-15795)
It was discovered that python-apt could install packages from untrusted
repositories, contrary to expectations. (CVE-2019-15796)
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 19.10 eoan | python-apt – 1.9.0ubuntu1.3 | ||
| python3-apt – 1.9.0ubuntu1.3 | |||
| 19.04 disco | python-apt – 1.8.5~ubuntu0.3 | ||
| python3-apt – 1.8.5~ubuntu0.3 | |||
| 18.04 bionic | python-apt – 1.6.5ubuntu0.2 | ||
| python3-apt – 1.6.5ubuntu0.2 | |||
| 16.04 xenial | python-apt – 1.1.0~beta1ubuntu0.16.04.8 | ||
| python3-apt – 1.1.0~beta1ubuntu0.16.04.8 | |||
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