Vulnerability Details CVE-2011-1521
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.023
EPSS Ranking 83.8%
CVSS Severity
CVSS v2 Score 6.4
References
- 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://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html
- 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
- http://secunia.com/advisories/50858
- http://secunia.com/advisories/51024
- http://secunia.com/advisories/51040
- http://securitytracker.com/id?1025488
- http://support.apple.com/kb/HT5002
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:096
- 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
- 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/
- 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://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html
- 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
- http://secunia.com/advisories/50858
- http://secunia.com/advisories/51024
- http://secunia.com/advisories/51040
- http://securitytracker.com/id?1025488
- http://support.apple.com/kb/HT5002
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:096
- 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
- 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/
Products affected by CVE-2011-1521
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cpe:2.3:a:python:python:2.0
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cpe:2.3:a:python:python:2.0.1
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cpe:2.3:a:python:python:2.1
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cpe:2.3:a:python:python:2.1.1
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cpe:2.3:a:python:python:2.1.2
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cpe:2.3:a:python:python:2.1.3
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cpe:2.3:a:python:python:2.2
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cpe:2.3:a:python:python:2.2.1
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cpe:2.3:a:python:python:2.2.2
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cpe:2.3:a:python:python:2.2.3
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cpe:2.3:a:python:python:2.3.1
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cpe:2.3:a:python:python:2.3.2
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cpe:2.3:a:python:python:2.3.3
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cpe:2.3:a:python:python:2.3.4
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cpe:2.3:a:python:python:2.3.5
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cpe:2.3:a:python:python:2.3.7
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cpe:2.3:a:python:python:2.4.1
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cpe:2.3:a:python:python:2.4.2
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cpe:2.3:a:python:python:2.4.3
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cpe:2.3:a:python:python:2.4.4
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cpe:2.3:a:python:python:2.4.6
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cpe:2.3:a:python:python:2.5.1
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cpe:2.3:a:python:python:2.5.2
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cpe:2.3:a:python:python:2.5.3
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cpe:2.3:a:python:python:2.5.4
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cpe:2.3:a:python:python:2.6.1
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cpe:2.3:a:python:python:2.6.4
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cpe:2.3:a:python:python:2.6.5
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cpe:2.3:a:python:python:2.6.6
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cpe:2.3:a:python:python:2.6.7
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cpe:2.3:a:python:python:2.7.1
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cpe:2.3:a:python:python:3.0
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cpe:2.3:a:python:python:3.0.1
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cpe:2.3:a:python:python:3.1
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cpe:2.3:a:python:python:3.1.1
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cpe:2.3:a:python:python:3.1.2
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cpe:2.3:a:python:python:3.1.3
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cpe:2.3:a:python:python:3.2