Accepted python3.5 3.5.3-1+deb9u2 (source) into oldstable
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Hash: SHA512
Format: 1.8
Date: Thu, 09 Jul 2020 15:00:10 +0200
Source: python3.5
Binary: python3.5 python3.5-venv libpython3.5-stdlib python3.5-minimal libpython3.5-minimal libpython3.5 python3.5-examples python3.5-dev libpython3.5-dev libpython3.5-testsuite idle-python3.5 python3.5-doc python3.5-dbg libpython3.5-dbg
Architecture: source
Version: 3.5.3-1+deb9u2
Distribution: stretch-security
Urgency: high
Maintainer: Matthias Klose <doko@debian.org>
Changed-By: Sylvain Beucler <beuc@debian.org>
Description:
idle-python3.5 - IDE for Python (v3.5) using Tkinter
libpython3.5 - Shared Python runtime library (version 3.5)
libpython3.5-dbg - Debug Build of the Python Interpreter (version 3.5)
libpython3.5-dev - Header files and a static library for Python (v3.5)
libpython3.5-minimal - Minimal subset of the Python language (version 3.5)
libpython3.5-stdlib - Interactive high-level object-oriented language (standard library
libpython3.5-testsuite - Testsuite for the Python standard library (v3.5)
python3.5 - Interactive high-level object-oriented language (version 3.5)
python3.5-dbg - Debug Build of the Python Interpreter (version 3.5)
python3.5-dev - Header files and a static library for Python (v3.5)
python3.5-doc - Documentation for the high-level object-oriented language Python
python3.5-examples - Examples for the Python language (v3.5)
python3.5-minimal - Minimal subset of the Python language (version 3.5)
python3.5-venv - Interactive high-level object-oriented language (pyvenv binary, v
Changes:
python3.5 (3.5.3-1+deb9u2) stretch-security; urgency=high
.
* Non-maintainer upload by the LTS Security Team.
* CVE-2018-20406: Modules/_pickle.c has an integer overflow via a large
LONG_BINPUT value that is mishandled during a "resize to twice the
size" attempt. This issue might cause memory exhaustion, but is only
relevant if the pickle format is used for serializing tens or hundreds
of gigabytes of data.
* CVE-2018-20852: http.cookiejar.DefaultPolicy.domain_return_ok in
Lib/http/cookiejar.py does not correctly validate the domain: it can
be tricked into sending existing cookies to the wrong server. An
attacker may abuse this flaw by using a server with a hostname that
has another valid hostname as a suffix (e.g., pythonicexample.com to
steal cookies for example.com). When a program uses
http.cookiejar.DefaultPolicy and tries to do an HTTP connection to an
attacker-controlled server, existing cookies can be leaked to the
attacker.
* Update test_ssl.py with newer certificate and openssl version handling
* CVE-2019-5010: an exploitable denial-of-service vulnerability exists
in the X509 certificate parser. A specially crafted X509 certificate
can cause a NULL pointer dereference, resulting in a denial of
service. An attacker can initiate or accept TLS connections using
crafted certificates to trigger this vulnerability.
* CVE-2019-9636: Improper Handling of Unicode Encoding (with an
incorrect netloc) during NFKC normalization. The impact is:
Information disclosure (credentials, cookies, etc. that are cached
against a given hostname). The components are: urllib.parse.urlsplit,
urllib.parse.urlparse. The attack vector is: A specially crafted URL
could be incorrectly parsed to locate cookies or authentication data
and send that information to a different host than when parsed
correctly.
* Fix functional regression introduced by CVE-2019-9636 fix, which in
turn introduces CVE-2019-10160
* CVE-2019-10160: a security regression was discovered in python, which
still allows an attacker to exploit CVE-2019-9636 by abusing the user
and password parts of a URL. When an application parses user-supplied
URLs to store cookies, authentication credentials, or other kind of
information, it is possible for an attacker to provide specially
crafted URLs to make the application locate host-related information
(e.g. cookies, authentication data) and send them to a different host
than where it should, unlike if the URLs had been correctly
parsed. The result of an attack may vary based on the application.
* CVE-2019-9740: an issue was discovered in urllib2. CRLF injection is
possible if the attacker controls a url parameter, as demonstrated by
the first argument to urllib.request.urlopen with \r\n (specifically
in the query string after a ? character) followed by an HTTP header or
a Redis command.
* CVE-2019-9947: an issue was discovered in urllib2. CRLF injection is
possible if the attacker controls a url parameter, as demonstrated by
the first argument to urllib.request.urlopen with \r\n (specifically
in the path component of a URL that lacks a ? character) followed by
an HTTP header or a Redis command. This is similar to the
CVE-2019-9740 query string issue.
* CVE-2019-18348: an issue was discovered in urllib2. CRLF injection is
possible if the attacker controls a url parameter, as demonstrated by
the first argument to urllib.request.urlopen with \r\n (specifically
in the host component of a URL) followed by an HTTP header. This is
similar to the CVE-2019-9740 query string issue and the CVE-2019-9947
path string issue
* CVE-2019-9948: urllib supports the local_file: scheme, which makes it
easier for remote attackers to bypass protection mechanisms that
blacklist file: URIs, as demonstrated by triggering a
urllib.urlopen('local_file:///etc/passwd') call.
* CVE-2019-16935: The documentation XML-RPC server has XSS via the
server_title field. This occurs in Lib/xmlrpc/server.py. If
set_server_title is called with untrusted input, arbitrary JavaScript
can be delivered to clients that visit the http URL for this server.
* CVE-2019-16056: the email module wrongly parses email addresses that
contain multiple @ characters. An application that uses the email
module and implements some kind of checks on the From/To headers of a
message could be tricked into accepting an email address that should
be denied. An attack may be the same as in CVE-2019-11340; however,
this CVE applies to Python more generally.
* CVE-2020-8492: Python allows an HTTP server to conduct Regular
Expression Denial of Service (ReDoS) attacks against a client because
of urllib.request.AbstractBasicAuthHandler catastrophic backtracking.
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