Unscored severity · published May 24, 2011
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…
–
CVSS
3.6%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)3.6% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PY
Python · Python
2.0; 2.0.1; 2.1; 2.1.1; 2.1.2; 2.1.3; +33 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2011-1521
CVE.org
https://www.cve.org/CVERecord?id=CVE-2011-1521
Patch
http://bugs.python.org/issue11662
hg.python.org
http://hg.python.org/cpython/file/96a6c128822b/Misc/NEWS
hg.python.org
http://hg.python.org/cpython/file/b2934d98dac1/Misc/NEWS
Patch
http://hg.python.org/cpython/rev/96a6c128822b/
Patch
http://hg.python.org/cpython/rev/b2934d98dac1/
lists.apple.com
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
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