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CVE-2013-1753

Status Candidate

Overview

The gzip_decode function in the xmlrpc client library in Python 3.4 and earlier allows remote attackers to cause a denial of service (memory consumption) via a crafted HTTP request.

Related Files

Red Hat Security Advisory 2015-2101-01
Posted Nov 20, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-2101-01 - Python is an interpreted, interactive, object-oriented programming language often compared to Tcl, Perl, Scheme, or Java. Python includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. It was discovered that the Python xmlrpclib module did not restrict the size of gzip-compressed HTTP responses. A malicious XMLRPC server could cause an XMLRPC client using xmlrpclib to consume an excessive amount of memory.

tags | advisory, java, web, perl, python
systems | linux, redhat
advisories | CVE-2013-1752, CVE-2013-1753, CVE-2014-4616, CVE-2014-4650, CVE-2014-7185
MD5 | 99108e5900b8880c9df7cc48354f7344
Ubuntu Security Notice USN-2653-1
Posted Jun 25, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2653-1 - It was discovered that multiple Python protocol libraries incorrectly limited certain data when connecting to servers. A malicious ftp, http, imap, nntp, pop or smtp server could use this issue to cause a denial of service. It was discovered that the Python xmlrpc library did not limit unpacking gzip-compressed HTTP bodies. A malicious server could use this issue to cause a denial of service. Various other issues were also addressed.

tags | advisory, web, denial of service, imap, protocol, python
systems | linux, ubuntu
advisories | CVE-2013-1752, CVE-2013-1753, CVE-2014-4616, CVE-2014-4650, CVE-2014-7185
MD5 | ac9d8c6cbf95a6ebe7d7cd29055bba98
Red Hat Security Advisory 2015-1064-01
Posted Jun 4, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-1064-01 - Python is an interpreted, interactive, object-oriented programming language that supports modules, classes, exceptions, high-level dynamic data types, and dynamic typing. The python27 collection provide a stable release of Python 2.7 with a number of additional utilities and database connectors for MySQL and PostgreSQL. The python27-python packages have been upgraded to upstream version 2.7.8, which provides numerous bug fixes over the previous version.

tags | advisory, python
systems | linux, redhat
advisories | CVE-2013-1752, CVE-2013-1753, CVE-2014-1912, CVE-2014-4616, CVE-2014-4650, CVE-2014-7185
MD5 | 3038b0ab13e9ef23119ea69c30cf11ac
Mandriva Linux Security Advisory 2015-075
Posted Mar 27, 2015
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2015-075 - A vulnerability was reported in Python's socket module, due to a boundary error within the sock_recvfrom_into() function, which could be exploited to cause a buffer overflow. This could be used to crash a Python application that uses the socket.recvfrom_info() function or, possibly, execute arbitrary code with the permissions of the user running vulnerable Python code. This updates the python package to version 2.7.6, which fixes several other bugs, including denial of service flaws due to unbound readline() calls in the ftplib and nntplib modules. Denial of service flaws due to unbound readline() calls in the imaplib, poplib, and smtplib modules. A gzip bomb and unbound read denial of service flaw in python XMLRPC library. Python are susceptible to arbitrary process memory reading by a user or adversary due to a bug in the _json module caused by insufficient bounds checking. The bug is caused by allowing the user to supply a negative value that is used an an array index, causing the scanstring function to access process memory outside of the string it is intended to access. The CGIHTTPServer Python module does not properly handle URL-encoded path separators in URLs. This may enable attackers to disclose a CGI script's source code or execute arbitrary scripts in the server's document root. Python before 2.7.8 is vulnerable to an integer overflow in the buffer type. When Python's standard library HTTP clients (httplib, urllib, urllib2, xmlrpclib) are used to access resources with HTTPS, by default the certificate is not checked against any trust store, nor is the hostname in the certificate checked against the requested host. It was possible to configure a trust root to be checked against, however there were no faculties for hostname checking. The python-pip and tix packages was added due to missing build dependencies.

tags | advisory, web, denial of service, overflow, arbitrary, cgi, root, python
systems | linux, mandriva
advisories | CVE-2013-1752, CVE-2013-1753, CVE-2014-1912, CVE-2014-4616, CVE-2014-4650, CVE-2014-7185, CVE-2014-9365
MD5 | 0b2b11d0c818af9e967e69377793be70
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