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CVE-2011-1521 (GCVE-0-2011-1521)

Vulnerability from cvelistv5 – Published: 2011-05-24 23:00 – Updated: 2024-08-06 22:28
VLAI
Summary
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.
Severity
No CVSS data available.
CWE
  • n/a
References
URL Tags
http://openwall.com/lists/oss-security/2011/09/15/5 mailing-listx_refsource_MLIST
http://www.mandriva.com/security/advisories?name=… vendor-advisoryx_refsource_MANDRIVA
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://hg.python.org/cpython/rev/b2934d98dac1/ x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-1592-1 vendor-advisoryx_refsource_UBUNTU
http://hg.python.org/cpython/rev/96a6c128822b/ x_refsource_CONFIRM
http://secunia.com/advisories/51040 third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/50858 third-party-advisoryx_refsource_SECUNIA
http://lists.apple.com/archives/Security-announce… vendor-advisoryx_refsource_APPLE
http://bugs.python.org/issue11662 x_refsource_CONFIRM
http://openwall.com/lists/oss-security/2011/03/24/5 mailing-listx_refsource_MLIST
http://openwall.com/lists/oss-security/2011/03/28/2 mailing-listx_refsource_MLIST
http://securitytracker.com/id?1025488 vdb-entryx_refsource_SECTRACK
http://hg.python.org/cpython/file/96a6c128822b/Mi… x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=690560 x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=737366 x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-1596-1 vendor-advisoryx_refsource_UBUNTU
http://hg.python.org/cpython/file/b2934d98dac1/Mi… x_refsource_CONFIRM
http://openwall.com/lists/oss-security/2011/09/11/1 mailing-listx_refsource_MLIST
http://www.ubuntu.com/usn/USN-1613-2 vendor-advisoryx_refsource_UBUNTU
http://support.apple.com/kb/HT5002 x_refsource_CONFIRM
https://www.djangoproject.com/weblog/2011/sep/10/127/ x_refsource_CONFIRM
http://secunia.com/advisories/51024 third-party-advisoryx_refsource_SECUNIA
http://www.ubuntu.com/usn/USN-1613-1 vendor-advisoryx_refsource_UBUNTU
http://openwall.com/lists/oss-security/2011/09/13/2 mailing-listx_refsource_MLIST
https://www.djangoproject.com/weblog/2011/sep/09/ x_refsource_CONFIRM
Date Public
2011-03-24 00:00
Show details on NVD website

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            "value": "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."
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        "id": "CVE-2011-1521",
        "lastModified": "2026-04-29T01:13:23.040",
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      "id": "CVE-2011-1521",
      "initial_release_date": "2023-02-15T05:53:37Z",
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      "product_status:known_not_affected": "2",
      "product_status:recommended": "521",
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      "status": "interim",
      "title": "SUSE CVE CVE-2011-1521",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2011-1521.json",
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  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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Related by attack behaviour

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