Executive Summary

Informations
Name CVE-2011-1521 First vendor Publication 2011-05-24
Vendor Cve Last vendor Modification 2019-10-25

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:N/A:P)
Cvss Base Score 6.4 Attack Range Network
Cvss Impact Score 4.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

The urllib and urllib2 modules in Python 2.x before 2.7.2 and 3.x before 3.2.1 process Location headers that specify redirection to file: URLs, which makes it easier for remote attackers to obtain sensitive information or cause a denial of service (resource consumption) via a crafted URL, as demonstrated by the file:///etc/passwd and file:///dev/zero URLs.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1521

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-399 Resource Management Errors

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:15345
 
Oval ID: oval:org.mitre.oval:def:15345
Title: USN-1314-1 -- Python 3 vulnerabilities
Description: python3.1: An interactive high-level object-oriented language - python3.2: An interactive high-level object-oriented language Applications using certain Python 3 modules could be made to crash or expose sensitive information over the network.
Family: unix Class: patch
Reference(s): USN-1314-1
CVE-2010-3493
CVE-2011-1521
 Version: 5
Platform(s): Ubuntu 11.04
Ubuntu 10.04
Ubuntu 10.10
 Product(s): Python
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:20200
 
Oval ID: oval:org.mitre.oval:def:20200
Title: VMware ESXi and ESX updates to third party library and ESX Service Console
Description: The urllib and urllib2 modules in Python 2.x before 2.7.2 and 3.x before 3.2.1 process Location headers that specify redirection to file: URLs, which makes it easier for remote attackers to obtain sensitive information or cause a denial of service (resource consumption) via a crafted URL, as demonstrated by the file:///etc/passwd and file:///dev/zero URLs.
Family: unix Class: vulnerability
Reference(s): CVE-2011-1521
 Version: 4
Platform(s): VMWare ESX Server 4.1
VMWare ESX Server 4.0
 Product(s):
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:21626
 
Oval ID: oval:org.mitre.oval:def:21626
Title: RHSA-2011:0554: python security, bug fix, and enhancement update (Moderate)
Description: The urllib and urllib2 modules in Python 2.x before 2.7.2 and 3.x before 3.2.1 process Location headers that specify redirection to file: URLs, which makes it easier for remote attackers to obtain sensitive information or cause a denial of service (resource consumption) via a crafted URL, as demonstrated by the file:///etc/passwd and file:///dev/zero URLs.
Family: unix Class: patch
Reference(s): RHSA-2011:0554-01
CVE-2010-3493
CVE-2011-1015
CVE-2011-1521
 Version: 42
Platform(s): Red Hat Enterprise Linux 6
 Product(s): python
python-docs
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:21923
 
Oval ID: oval:org.mitre.oval:def:21923
Title: RHSA-2011:0492: python security update (Moderate)
Description: The urllib and urllib2 modules in Python 2.x before 2.7.2 and 3.x before 3.2.1 process Location headers that specify redirection to file: URLs, which makes it easier for remote attackers to obtain sensitive information or cause a denial of service (resource consumption) via a crafted URL, as demonstrated by the file:///etc/passwd and file:///dev/zero URLs.
Family: unix Class: patch
Reference(s): RHSA-2011:0492-01
CESA-2011:0492
CVE-2009-3720
CVE-2010-3493
CVE-2011-1015
CVE-2011-1521
 Version: 55
Platform(s): Red Hat Enterprise Linux 5
CentOS Linux 5
 Product(s): python
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:23229
 
Oval ID: oval:org.mitre.oval:def:23229
Title: ELSA-2011:0492: python security update (Moderate)
Description: The urllib and urllib2 modules in Python 2.x before 2.7.2 and 3.x before 3.2.1 process Location headers that specify redirection to file: URLs, which makes it easier for remote attackers to obtain sensitive information or cause a denial of service (resource consumption) via a crafted URL, as demonstrated by the file:///etc/passwd and file:///dev/zero URLs.
Family: unix Class: patch
Reference(s): ELSA-2011:0492-01
CVE-2009-3720
CVE-2010-3493
CVE-2011-1015
CVE-2011-1521
 Version: 21
Platform(s): Oracle Linux 5
 Product(s): python
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:23473
 
Oval ID: oval:org.mitre.oval:def:23473
Title: ELSA-2011:0554: python security, bug fix, and enhancement update (Moderate)
Description: The urllib and urllib2 modules in Python 2.x before 2.7.2 and 3.x before 3.2.1 process Location headers that specify redirection to file: URLs, which makes it easier for remote attackers to obtain sensitive information or cause a denial of service (resource consumption) via a crafted URL, as demonstrated by the file:///etc/passwd and file:///dev/zero URLs.
Family: unix Class: patch
Reference(s): ELSA-2011:0554-01
CVE-2010-3493
CVE-2011-1015
CVE-2011-1521
 Version: 17
Platform(s): Oracle Linux 6
 Product(s): python
python-docs
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:28032
 
Oval ID: oval:org.mitre.oval:def:28032
Title: DEPRECATED: ELSA-2011-0554 -- python security, bug fix, and enhancement update (moderate)
Description: python: [2.6.6-20] Resolves: CVE-2010-3493
Family: unix Class: patch
Reference(s): ELSA-2011-0554
CVE-2010-3493
CVE-2011-1015
CVE-2011-1521
 Version: 4
Platform(s): Oracle Linux 6
 Product(s): python
python-docs
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:28060
 
Oval ID: oval:org.mitre.oval:def:28060
Title: DEPRECATED: ELSA-2011-0492 -- python security update (moderate)
Description: [2.4.3-44] - add patch adapted from upstream (patch 208) to add support for building against system expat; add --with-system-expat to configure invocation; remove embedded copy of expat-1.95.8 from the source tree during prep - ensure pyexpat.so gets built by explicitly listing all C modules in the payload in %files, rather than using dynfiles Resolves: CVE-2009-3720 - backport three security fixes to 2.4 (patches 209, 210, 211): Resolves: CVE-2011-1521 Resolves: CVE-2011-1015 Resolves: CVE-2010-3493
Family: unix Class: patch
Reference(s): ELSA-2011-0492
CVE-2009-3720
CVE-2010-3493
CVE-2011-1015
CVE-2011-1521
 Version: 4
Platform(s): Oracle Linux 5
 Product(s): python
Definition Synopsis:

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 39

OpenVAS Exploits

Date Description
2012-10-19 Name : Ubuntu Update for python2.5 USN-1613-1
File : nvt/gb_ubuntu_USN_1613_1.nasl
2012-10-19 Name : Ubuntu Update for python2.4 USN-1613-2
File : nvt/gb_ubuntu_USN_1613_2.nasl
2012-10-05 Name : Ubuntu Update for python2.6 USN-1596-1
File : nvt/gb_ubuntu_USN_1596_1.nasl
2012-10-03 Name : Ubuntu Update for python2.7 USN-1592-1
File : nvt/gb_ubuntu_USN_1592_1.nasl
2012-07-30 Name : CentOS Update for python CESA-2011:0491 centos4 x86_64
File : nvt/gb_CESA-2011_0491_python_centos4_x86_64.nasl
2012-07-30 Name : CentOS Update for python CESA-2011:0492 centos5 x86_64
File : nvt/gb_CESA-2011_0492_python_centos5_x86_64.nasl
2012-06-06 Name : RedHat Update for python RHSA-2011:0554-01
File : nvt/gb_RHSA-2011_0554-01_python.nasl
2012-03-15 Name : VMSA-2012-0001 VMware ESXi and ESX updates to third party library and ESX Ser...
File : nvt/gb_VMSA-2012-0001.nasl
2011-12-23 Name : Ubuntu Update for python3.1 USN-1314-1
File : nvt/gb_ubuntu_USN_1314_1.nasl
2011-10-20 Name : Mac OS X v10.6.8 Multiple Vulnerabilities (2011-006)
File : nvt/gb_macosx_su11-006.nasl
2011-08-09 Name : CentOS Update for python CESA-2011:0491 centos4 i386
File : nvt/gb_CESA-2011_0491_python_centos4_i386.nasl
2011-08-09 Name : CentOS Update for python CESA-2011:0492 centos5 i386
File : nvt/gb_CESA-2011_0492_python_centos5_i386.nasl
2011-06-07 Name : Python Multiple Vulnerabilities (Windows)
File : nvt/gb_python_mult_vuln_win.nasl
2011-05-23 Name : Mandriva Update for python MDVSA-2011:096 (python)
File : nvt/gb_mandriva_MDVSA_2011_096.nasl
2011-05-06 Name : RedHat Update for python RHSA-2011:0491-01
File : nvt/gb_RHSA-2011_0491-01_python.nasl
2011-05-06 Name : RedHat Update for python RHSA-2011:0492-01
File : nvt/gb_RHSA-2011_0492-01_python.nasl

Open Source Vulnerability Database (OSVDB)

Id Description
71330 Python urllib.request file:// URL Handler Redirect Issue

Python contains a flaw related to the urllib/urlib2 redirect handling allowing file:// URL schemes. This may allow a remote attacker to use a crafted HTTP redirect response to disclose sensitive information or cause a denial of service via resource consumption.

Information Assurance Vulnerability Management (IAVM)

Date Description
2012-02-02 IAVM : 2012-A-0020 - Multiple Vulnerabilities in VMware ESX 4.1 and ESXi 4.1
Severity : Category I - VMSKEY : V0031252

Nessus® Vulnerability Scanner

Date Description
2016-03-03 Name : The remote VMware ESXi / ESX host is missing a security-related patch.
File : vmware_VMSA-2012-0001_remote.nasl - Type : ACT_GATHER_INFO
2014-06-13 Name : The remote openSUSE host is missing a security update.
File : suse_11_4_libpython2_6-1_0-110506.nasl - Type : ACT_GATHER_INFO
2014-06-13 Name : The remote openSUSE host is missing a security update.
File : suse_11_3_libpython2_6-1_0-110506.nasl - Type : ACT_GATHER_INFO
2013-11-13 Name : The remote VMware ESXi 5.0 host is affected by multiple vulnerabilities.
File : vmware_esxi_5_0_build_608089_remote.nasl - Type : ACT_GATHER_INFO
2013-07-12 Name : The remote Oracle Linux host is missing one or more security updates.
File : oraclelinux_ELSA-2011-0491.nasl - Type : ACT_GATHER_INFO
2013-07-12 Name : The remote Oracle Linux host is missing one or more security updates.
File : oraclelinux_ELSA-2011-0492.nasl - Type : ACT_GATHER_INFO
2013-01-25 Name : The remote SuSE 11 host is missing one or more security updates.
File : suse_11_python-randomisation-update-120516.nasl - Type : ACT_GATHER_INFO
2013-01-25 Name : The remote SuSE 11 host is missing one or more security updates.
File : suse_11_python-randomisation-update-120517.nasl - Type : ACT_GATHER_INFO
2012-10-18 Name : The remote Ubuntu host is missing one or more security-related patches.
File : ubuntu_USN-1613-1.nasl - Type : ACT_GATHER_INFO
2012-10-18 Name : The remote Ubuntu host is missing one or more security-related patches.
File : ubuntu_USN-1613-2.nasl - Type : ACT_GATHER_INFO
2012-10-05 Name : The remote Ubuntu host is missing one or more security-related patches.
File : ubuntu_USN-1596-1.nasl - Type : ACT_GATHER_INFO
2012-10-03 Name : The remote Ubuntu host is missing one or more security-related patches.
File : ubuntu_USN-1592-1.nasl - Type : ACT_GATHER_INFO
2012-08-01 Name : The remote Scientific Linux host is missing one or more security updates.
File : sl_20110505_python_on_SL4_x.nasl - Type : ACT_GATHER_INFO
2012-08-01 Name : The remote Scientific Linux host is missing one or more security updates.
File : sl_20110519_python_on_SL6_x.nasl - Type : ACT_GATHER_INFO
2012-01-31 Name : The remote VMware ESXi / ESX host is missing one or more security-related pat...
File : vmware_VMSA-2012-0001.nasl - Type : ACT_GATHER_INFO
2011-12-20 Name : The remote Ubuntu host is missing one or more security-related patches.
File : ubuntu_USN-1314-1.nasl - Type : ACT_GATHER_INFO
2011-12-13 Name : The remote SuSE 10 host is missing a security-related patch.
File : suse_python-7506.nasl - Type : ACT_GATHER_INFO
2011-10-13 Name : The remote host is missing a Mac OS X update that fixes several security issues.
File : macosx_10_7_2.nasl - Type : ACT_GATHER_INFO
2011-10-13 Name : The remote host is missing a Mac OS X update that fixes several security issues.
File : macosx_SecUpd2011-006.nasl - Type : ACT_GATHER_INFO
2011-05-25 Name : The remote SuSE 11 host is missing one or more security updates.
File : suse_11_libpython2_6-1_0-110506.nasl - Type : ACT_GATHER_INFO
2011-05-25 Name : The remote SuSE 10 host is missing a security-related patch.
File : suse_python-7509.nasl - Type : ACT_GATHER_INFO
2011-05-23 Name : The remote Mandriva Linux host is missing one or more security updates.
File : mandriva_MDVSA-2011-096.nasl - Type : ACT_GATHER_INFO
2011-05-20 Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2011-0554.nasl - Type : ACT_GATHER_INFO
2011-05-13 Name : The remote openSUSE host is missing a security update.
File : suse_11_2_libpython2_6-1_0-110506.nasl - Type : ACT_GATHER_INFO
2011-05-06 Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2011-0491.nasl - Type : ACT_GATHER_INFO
2011-05-06 Name : The remote CentOS host is missing one or more security updates.
File : centos_RHSA-2011-0491.nasl - Type : ACT_GATHER_INFO
2011-05-06 Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2011-0492.nasl - Type : ACT_GATHER_INFO
2011-05-06 Name : The remote CentOS host is missing one or more security updates.
File : centos_RHSA-2011-0492.nasl - Type : ACT_GATHER_INFO

Sources (Detail)

Source Url
APPLE http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
CONFIRM http://bugs.python.org/issue11662
http://hg.python.org/cpython/file/96a6c128822b/Misc/NEWS
http://hg.python.org/cpython/file/b2934d98dac1/Misc/NEWS
http://hg.python.org/cpython/rev/96a6c128822b/
http://hg.python.org/cpython/rev/b2934d98dac1/
http://support.apple.com/kb/HT5002
https://bugzilla.redhat.com/show_bug.cgi?id=690560
https://bugzilla.redhat.com/show_bug.cgi?id=737366
https://www.djangoproject.com/weblog/2011/sep/09/
https://www.djangoproject.com/weblog/2011/sep/10/127/
MANDRIVA http://www.mandriva.com/security/advisories?name=MDVSA-2011:096
MLIST http://openwall.com/lists/oss-security/2011/03/24/5
http://openwall.com/lists/oss-security/2011/03/28/2
http://openwall.com/lists/oss-security/2011/09/11/1
http://openwall.com/lists/oss-security/2011/09/13/2
http://openwall.com/lists/oss-security/2011/09/15/5
SECTRACK http://securitytracker.com/id?1025488
SECUNIA http://secunia.com/advisories/50858
http://secunia.com/advisories/51024
http://secunia.com/advisories/51040
SUSE http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html
UBUNTU http://www.ubuntu.com/usn/USN-1592-1
http://www.ubuntu.com/usn/USN-1596-1
http://www.ubuntu.com/usn/USN-1613-1
http://www.ubuntu.com/usn/USN-1613-2

Alert History

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Date Informations
2024-02-02 01:15:53
  • Multiple Updates
2024-02-01 12:04:30
  • Multiple Updates
2023-09-05 12:14:52
  • Multiple Updates
2023-09-05 01:04:22
  • Multiple Updates
2023-09-02 12:14:55
  • Multiple Updates
2023-09-02 01:04:27
  • Multiple Updates
2023-08-12 12:18:01
  • Multiple Updates
2023-08-12 01:04:27
  • Multiple Updates
2023-08-11 12:15:00
  • Multiple Updates
2023-08-11 01:04:35
  • Multiple Updates
2023-08-06 12:14:26
  • Multiple Updates
2023-08-06 01:04:28
  • Multiple Updates
2023-08-04 12:14:30
  • Multiple Updates
2023-08-04 01:04:29
  • Multiple Updates
2023-07-14 12:14:29
  • Multiple Updates
2023-07-14 01:04:26
  • Multiple Updates
2023-03-29 01:16:25
  • Multiple Updates
2023-03-28 12:04:32
  • Multiple Updates
2022-10-11 12:12:55
  • Multiple Updates
2022-10-11 01:04:12
  • Multiple Updates
2021-05-04 12:14:20
  • Multiple Updates
2021-04-22 01:15:35
  • Multiple Updates
2020-07-10 12:06:03
  • Multiple Updates
2020-05-23 00:28:19
  • Multiple Updates
2016-04-26 20:41:49
  • Multiple Updates
2016-03-04 13:26:25
  • Multiple Updates
2014-06-14 13:30:38
  • Multiple Updates
2014-02-21 13:21:43
  • Multiple Updates
2014-02-17 11:01:47
  • Multiple Updates
2013-11-11 12:39:19
  • Multiple Updates
2013-05-16 17:02:46
  • Multiple Updates
2013-05-10 22:58:31
  • Multiple Updates
2013-01-30 13:20:57
  • Multiple Updates