USN-3817-2: Python vulnerabilities
python2.7 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Summary
Several security issues were fixed in Python.
Software Description
- python2.7 – An interactive high-level object-oriented language
Details
USN-3817-1 fixed a vulnerability in Python. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
It was discovered that Python incorrectly handled large amounts of data. A
remote attacker could use this issue to cause Python to crash, resulting in
a denial of service, or possibly execute arbitrary code. (CVE-2018-1000030)
It was discovered that Python incorrectly handled running external commands
in the shutil module. A remote attacker could use this issue to cause
Python to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2018-1000802)
It was discovered that Python incorrectly used regular expressions
vulnerable to catastrophic backtracking. A remote attacker could possibly
use this issue to cause a denial of service. (CVE-2018-1060, CVE-2018-1061)
It was discovered that Python failed to initialize Expat’s hash salt. A
remote attacker could possibly use this issue to cause hash collisions,
leading to a denial of service. (CVE-2018-14647)
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 12.04 ESM
- python2.7 – 2.7.3-0ubuntu3.11
- python2.7-minimal – 2.7.3-0ubuntu3.11
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-3817-2: Python vulnerabilities
