USN-3817-2: Python vulnerabilities

Releases

• Ubuntu 12.04

Packages

• 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

• python2.7-minimal - 2.7.3-0ubuntu3.11
• python2.7 - 2.7.3-0ubuntu3.11

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

References

• CVE-2018-1000030
• CVE-2018-1000802
• CVE-2018-1060
• CVE-2018-1061
• CVE-2018-14647

Related notices

• USN-3817-1: libpython3.4-stdlib, python2.7-minimal, libpython3.4-testsuite, python2.7-dev, idle-python3.4, libpython3.5-testsuite, libpython3.4, libpython2.7-testsuite, python3.4-doc, libpython3.4-minimal, python2.7, libpython3.5-dev, libpython3.5-stdlib, libpython2.7-dev, python3.4-dev, libpython3.5, libpython2.7-minimal, python3.5-venv, python3.4-examples, python3.5-minimal, python3.5-doc, python3.5-examples, python2.7-examples, python3.4-minimal, python3.4-venv, libpython3.4-dev, python3.5-dev, idle-python2.7, libpython2.7-stdlib, python3.4, python2.7-doc, python3.5, idle-python3.5, libpython2.7, libpython3.5-minimal