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AUSCERT External Security Bulletin Redistribution
ESB-2018.2893
[SECURITY] [DLA 1519-1] python2.7 security update
26 September 2018
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AusCERT Security Bulletin Summary
---------------------------------
Product: python2.7
Publisher: Debian
Operating System: Debian GNU/Linux 8
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2018-1000802 CVE-2018-1061 CVE-2018-1060
CVE-2018-1000 CVE-2017-1000158
Reference: ASB-2018.0180
ASB-2018.0178
ASB-2018.0073.2
ESB-2018.0251
ESB-2018.0204
ESB-2018.0157
Original Bulletin:
https://lists.debian.org/debian-lts-announce/2018/09/msg00030.html
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Package : python2.7
Version : 2.7.9-2+deb8u2
CVE ID : CVE-2017-1000158 CVE-2018-1060 CVE-2018-1061 CVE-2018-1000=
802
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
2.7.9-2+deb8u2.
We recommend that you upgrade your python2.7 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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