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AUSCERT External Security Bulletin Redistribution
[SECURITY] [DLA 1520-1] python3.4 security update
26 September 2018
AusCERT Security Bulletin Summary
Operating System: Debian GNU/Linux 8
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
CVE Names: CVE-2018-1000802 CVE-2018-1061 CVE-2018-1060
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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
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)
python is vulnerable to catastrophic backtracking in pop3lib's
apop() method. An attacker could use this flaw to cause denial of
python is vulnerable to catastrophic backtracking in the
difflib.IS_LINE_JUNK method. An attacker could use this flaw to
cause denial of service.
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
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
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