[SECURITY] [DLA 1520-1] python3.4 security update

2018-09-26T00:27:03
ID DEBIAN:DLA-1520-1:70B85
Type debian
Reporter Debian
Modified 2018-09-26T00:27:03

Description

Package : python3.4 Version : 3.4.2-1+deb8u1 CVE ID : CVE-2017-1000158 CVE-2018-1060 CVE-2018-1061 CVE-2018-1000802

Multiple vulnerabilities were found in the CPython interpreter which can cause denial of service, information gain, and arbitrary code execution.

CVE-2017-1000158

CPython (aka Python) is vulnerable to an integer overflow in the
PyString_DecodeEscape function in stringobject.c, resulting in
heap-based buffer overflow (and possible arbitrary code execution)

CVE-2018-1060

python is vulnerable to catastrophic backtracking in pop3lib's
apop() method. An attacker could use this flaw to cause denial of
service.

CVE-2018-1061

python is vulnerable to catastrophic backtracking in the
difflib.IS_LINE_JUNK method. An attacker could use this flaw to
cause denial of service.

CVE-2018-1000802

Python Software Foundation Python (CPython) version 2.7 contains a
CWE-77: Improper Neutralization of Special Elements used in a
Command ('Command Injection') vulnerability in shutil module
(make_archive function) that can result in Denial of service,
Information gain via injection of arbitrary files on the system or
entire drive. This attack appear to be exploitable via Passage of
unfiltered user input to the function.

For Debian 8 "Jessie", these problems have been fixed in version 3.4.2-1+deb8u1.

We recommend that you upgrade your python3.4 packages.

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS