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CVE-2011-4138

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Date: October 19, 2011

The verify_exists functionality in the URLField implementation in Django before 1.2.7 and 1.3.x before 1.3.1 originally tests a URL's validity through a HEAD request, but then uses a GET request for the new target URL in the case of a redirect, which might allow remote attackers to trigger arbitrary GET requests with an unintended source IP address via a crafted Location header.

Language: Python

Severity Score

Related Resources (12)

https://nvd.nist.gov/vuln/detail/CVE-2011-4138
https://hermes.opensuse.org/messages/14700881
http://www.debian.org/security/2011/dsa-2332
https://www.djangoproject.com/weblog/2011/sep/09/
http://openwall.com/lists/oss-security/2011/09/11/1
https://security-tracker.debian.org/tracker/CVE-2011-4138
http://openwall.com/lists/oss-security/2011/09/13/2
https://www.djangoproject.com/weblog/2011/sep/10/127/
https://bugzilla.redhat.com/show_bug.cgi?id=737366
https://people.canonical.com/~ubuntu-security/cve/CVE-2011-4138
http://secunia.com/advisories/46614
https://www.mend.io/vulnerability-database/CVE-2011-4138

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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