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CVE-2011-1521 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

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

see all 52 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-399	Resource Management Errors	[email protected]

Affected Products

Product	Versions
python python	2.0 2.0.1 2.1 2.1.1 2.1.2
CPE cpe:2.3:a:python:python:2.0:::::::* cpe:2.3:a:python:python:2.0.1:::::::* cpe:2.3:a:python:python:2.1:::::::* cpe:2.3:a:python:python:2.1.1:::::::* cpe:2.3:a:python:python:2.1.2:::::::* cpe:2.3:a:python:python:2.1.3:::::::* cpe:2.3:a:python:python:2.2:::::::* cpe:2.3:a:python:python:2.2.1:::::::* cpe:2.3:a:python:python:2.2.2:::::::* cpe:2.3:a:python:python:2.2.3:::::::* cpe:2.3:a:python:python:2.3.1:::::::* cpe:2.3:a:python:python:2.3.2:::::::* cpe:2.3:a:python:python:2.3.3:::::::* cpe:2.3:a:python:python:2.3.4:::::::* cpe:2.3:a:python:python:2.3.5:::::::* cpe:2.3:a:python:python:2.3.7:::::::* cpe:2.3:a:python:python:2.4.1:::::::* cpe:2.3:a:python:python:2.4.2:::::::* cpe:2.3:a:python:python:2.4.3:::::::* cpe:2.3:a:python:python:2.4.4:::::::* cpe:2.3:a:python:python:2.4.6:::::::* cpe:2.3:a:python:python:2.5.1:::::::* cpe:2.3:a:python:python:2.5.2:::::::* cpe:2.3:a:python:python:2.5.3:::::::* cpe:2.3:a:python:python:2.5.4:::::::* cpe:2.3:a:python:python:2.6.1:::::::* cpe:2.3:a:python:python:2.6.4:::::::* cpe:2.3:a:python:python:2.6.5:::::::* cpe:2.3:a:python:python:2.6.6:::::::* cpe:2.3:a:python:python:2.6.7:::::::* cpe:2.3:a:python:python:2.7.1:::::::* cpe:2.3:a:python:python:3.0:::::::* cpe:2.3:a:python:python:3.0.1:::::::* cpe:2.3:a:python:python:3.1:::::::* cpe:2.3:a:python:python:3.1.1:::::::* cpe:2.3:a:python:python:3.1.2:::::::* cpe:2.3:a:python:python:3.1.3:::::::* cpe:2.3:a:python:python:3.2:::::::* cpe:2.3:a:python:python:3.2:alpha:::::: Remediation No remediation found in references.

Product

Versions

python python

2.0

2.0.1

2.1

2.1.1

2.1.2

CPE

cpe:2.3:a:python:python:2.0:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.1:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.1.2:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.1.3:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.2:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.2.1:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.2.2:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.2.3:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.3.1:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.3.2:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.3.3:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.3.4:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.3.5:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.3.7:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.4.1:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.4.2:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.4.3:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.4.4:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.4.6:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.5.1:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.5.2:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.5.3:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.5.4:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.6.1:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.6.4:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.6.5:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.6.6:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.6.7:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.7.1:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.0:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.1:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.1.1:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.1.2:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.1.3:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.2:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.2:alpha:*:*:*:*:*:*

Remediation

No remediation found in references.

Change History

10 change records found show changes

Date	Action	Recorded By
Jun 16, 2026	CVE Modified	[email protected]
Apr 29, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Oct 25, 2019	CPE Deprecation Remap	[email protected]
Oct 25, 2019	CPE Deprecation Remap	[email protected]
Oct 25, 2019	CPE Deprecation Remap	[email protected]
Oct 25, 2019	CPE Deprecation Remap	[email protected]
Oct 25, 2019	CPE Deprecation Remap	[email protected]
May 25, 2011	Initial Analysis	[email protected]