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CVE-2013-4238

Status Candidate

Overview

CVE-2013-4238 python: hostname check bypassing vulnerability in SSL module

Related Files

VMware Security Advisory 2014-0012
Posted Dec 5, 2014
Authored by VMware | Site vmware.com

VMware Security Advisory 2014-0012 - VMware vSphere product updates address a Cross Site Scripting issue, a certificate validation issue and security vulnerabilities in third-party libraries.

tags | advisory, vulnerability, xss
advisories | CVE-2013-1752, CVE-2013-2877, CVE-2013-4238, CVE-2014-0015, CVE-2014-0138, CVE-2014-0191, CVE-2014-3797, CVE-2014-8371
SHA-256 | 7ae55e0d099a866f9060eaf2dd855d5f0aec675081fb0bc4925cd992333a41a6
Debian Security Advisory 2880-1
Posted Mar 17, 2014
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2880-1 - Multiple security issues were discovered in Python.

tags | advisory, python
systems | linux, debian
advisories | CVE-2013-4238, CVE-2014-1912
SHA-256 | 4bbbad989a87630a2521f420870888b954d2c25ff56fe58c1ddac728c24ed5cb
Red Hat Security Advisory 2013-1582-02
Posted Nov 21, 2013
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2013-1582-02 - Python is an interpreted, interactive, object-oriented programming language. A flaw was found in the way the Python SSL module handled X.509 certificate fields that contain a NULL byte. An attacker could potentially exploit this flaw to conduct man-in-the-middle attacks to spoof SSL servers. Note that to exploit this issue, an attacker would need to obtain a carefully crafted certificate signed by an authority that the client trusts. These updated python packages include numerous bug fixes and one enhancement. Space precludes documenting all of these changes in this advisory. Users are directed to the Red Hat Enterprise Linux 6.5 Technical Notes, linked to in the References, for information on the most significant of these changes.

tags | advisory, spoof, python
systems | linux, redhat
advisories | CVE-2013-4238
SHA-256 | 5318bfc58a04f6c630a98000db359d1fd38a86056966b53d50fec165f8a5e4e4
Red Hat Security Advisory 2013-1527-01
Posted Nov 21, 2013
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2013-1527-01 - The rhev-hypervisor6 package provides a Red Hat Enterprise Virtualization Hypervisor ISO disk image. The Red Hat Enterprise Virtualization Hypervisor is a dedicated Kernel-based Virtual Machine hypervisor. It includes everything necessary to run and manage virtual machines: a subset of the Red Hat Enterprise Linux operating environment and the Red Hat Enterprise Virtualization Agent. Note: Red Hat Enterprise Virtualization Hypervisor is only available for the Intel 64 and AMD64 architectures with virtualization extensions. Upgrade Note: If you upgrade the Red Hat Enterprise Virtualization Hypervisor through the 3.2 Manager administration portal, the Host may appear with the status of "Install Failed". If this happens, place the host into maintenance mode, then activate it again to get the host back to an "Up" state.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2010-5107, CVE-2013-2888, CVE-2013-2889, CVE-2013-2892, CVE-2013-4238, CVE-2013-4344
SHA-256 | 14c05f5415b232ba5013430dc6302052cda7f8421372edc37ce49c0008e3a968
Ubuntu Security Notice USN-1985-1
Posted Oct 1, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1985-1 - Florian Weimer discovered that Python incorrectly handled matching multiple wildcards in ssl certificate hostnames. An attacker could exploit this to cause Python to consume resources, resulting in a denial of service. Ryan Sleevi discovered that Python did not properly handle certificates with NULL characters in the Subject Alternative Name field. An attacker could exploit this to perform a man in the middle attack to view sensitive information or alter encrypted communications. Various other issues were also addressed.

tags | advisory, denial of service, python
systems | linux, ubuntu
advisories | CVE-2013-2099, CVE-2013-4238, CVE-2013-2099, CVE-2013-4238
SHA-256 | 0f366392969f20155d45311d551bc121f8cca2af29a02d07e5e1e546d84e407f
Ubuntu Security Notice USN-1983-1
Posted Oct 1, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1983-1 - Florian Weimer discovered that Python incorrectly handled matching multiple wildcards in ssl certificate hostnames. An attacker could exploit this to cause Python to consume resources, resulting in a denial of service. This issue only affected Ubuntu 13.04. Ryan Sleevi discovered that Python did not properly handle certificates with NULL characters in the Subject Alternative Name field. An attacker could exploit this to perform a man in the middle attack to view sensitive information or alter encrypted communications. Various other issues were also addressed.

tags | advisory, denial of service, python
systems | linux, ubuntu
advisories | CVE-2013-2099, CVE-2013-4238, CVE-2013-2099, CVE-2013-4238
SHA-256 | 9ab7514520e21d4cb81b76c6be2121d9d8ecc991fae05d293e5e8061b9f84a2a
Ubuntu Security Notice USN-1984-1
Posted Oct 1, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1984-1 - Florian Weimer discovered that Python incorrectly handled matching multiple wildcards in ssl certificate hostnames. An attacker could exploit this to cause Python to consume resources, resulting in a denial of service. Ryan Sleevi discovered that Python did not properly handle certificates with NULL characters in the Subject Alternative Name field. An attacker could exploit this to perform a man in the middle attack to view sensitive information or alter encrypted communications. Various other issues were also addressed.

tags | advisory, denial of service, python
systems | linux, ubuntu
advisories | CVE-2013-2099, CVE-2013-4238, CVE-2013-2099, CVE-2013-4238
SHA-256 | c673c920639adac95e57596bc8aab64ff8ca0183257ddb8017aaad829ee17e9a
Ubuntu Security Notice USN-1982-1
Posted Oct 1, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1982-1 - Ryan Sleevi discovered that Python did not properly handle certificates with NULL characters in the Subject Alternative Name field. An attacker could exploit this to perform a man in the middle attack to view sensitive information or alter encrypted communications.

tags | advisory, python
systems | linux, ubuntu
advisories | CVE-2013-4238
SHA-256 | bc6597611282dc3a251d61da8083bd226403c9d6532f0fcc3ca5d47ce5ee0b7e
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