National Cyber Awareness System

Vulnerability Summary for CVE-2011-1521

Overview

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.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=690560

Type: Patch Information

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=690560

External Source: CONFIRM

Name: http://hg.python.org/cpython/rev/b2934d98dac1/

Type: Patch Information

Hyperlink:http://hg.python.org/cpython/rev/b2934d98dac1/

External Source: CONFIRM

Name: http://hg.python.org/cpython/rev/96a6c128822b/

Type: Patch Information

Hyperlink:http://hg.python.org/cpython/rev/96a6c128822b/

External Source: CONFIRM

Name: http://bugs.python.org/issue11662

Type: Patch Information

Hyperlink:http://bugs.python.org/issue11662

External Source: CONFIRM

Name: https://www.djangoproject.com/weblog/2011/sep/10/127/

Hyperlink:https://www.djangoproject.com/weblog/2011/sep/10/127/

External Source: CONFIRM

Name: https://www.djangoproject.com/weblog/2011/sep/09/

Hyperlink:https://www.djangoproject.com/weblog/2011/sep/09/

External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=737366

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=737366

External Source: UBUNTU

Name: USN-1613-2

Hyperlink:http://www.ubuntu.com/usn/USN-1613-2

External Source: UBUNTU

Name: USN-1613-1

Hyperlink:http://www.ubuntu.com/usn/USN-1613-1

External Source: UBUNTU

Name: USN-1596-1

Hyperlink:http://www.ubuntu.com/usn/USN-1596-1

External Source: UBUNTU

Name: USN-1592-1

Hyperlink:http://www.ubuntu.com/usn/USN-1592-1

External Source: MANDRIVA

Name: MDVSA-2011:096

Hyperlink:http://www.mandriva.com/security/advisories?name=MDVSA-2011:096

External Source: CONFIRM

Name: http://support.apple.com/kb/HT5002

Hyperlink:http://support.apple.com/kb/HT5002

External Source: SECTRACK

Name: 1025488

Hyperlink:http://securitytracker.com/id?1025488

External Source: SECUNIA

Name: 51040

Hyperlink:http://secunia.com/advisories/51040

External Source: SECUNIA

Name: 51024

Hyperlink:http://secunia.com/advisories/51024

External Source: SECUNIA

Name: 50858

Hyperlink:http://secunia.com/advisories/50858

External Source: MLIST

Name: [oss-security] 20110916 Re: CVE Request -- Django: v1.3.1, v1.2.7 multiple security flaws

Hyperlink:http://openwall.com/lists/oss-security/2011/09/15/5

External Source: MLIST

Name: [oss-security] 20110913 Re: CVE Request -- Django: v1.3.1, v1.2.7 multiple security flaws

Hyperlink:http://openwall.com/lists/oss-security/2011/09/13/2

External Source: MLIST

Name: [oss-security] 20110911 CVE Request -- Django: v1.3.1, v1.2.7 multiple security flaws

Hyperlink:http://openwall.com/lists/oss-security/2011/09/11/1

External Source: MLIST

Name: [oss-security] 20110328 Re: CVE Request -- Python (urllib, urllib2): Improper management of ftp:// and file:// URL schemes

Hyperlink:http://openwall.com/lists/oss-security/2011/03/28/2

External Source: MLIST

Name: [oss-security] 20110324 CVE Request -- Python (urllib, urllib2): Improper management of ftp:// and file:// URL schemes

Hyperlink:http://openwall.com/lists/oss-security/2011/03/24/5

External Source: APPLE

Name: APPLE-SA-2011-10-12-3

Hyperlink:http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html

External Source: CONFIRM

Name: http://hg.python.org/cpython/file/b2934d98dac1/Misc/NEWS

Hyperlink:http://hg.python.org/cpython/file/b2934d98dac1/Misc/NEWS

External Source: CONFIRM

Name: http://hg.python.org/cpython/file/96a6c128822b/Misc/NEWS

Hyperlink:http://hg.python.org/cpython/file/96a6c128822b/Misc/NEWS