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Secunia Security Advisory 45939

Posted on 13 September 2011
Source : packetstormsecurity.org Link

 

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TITLE:
Django Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA45939

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http://secunia.com/advisories/45939/
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https://ca.secunia.com/?page=viewadvisory&vuln_id=45939

RELEASE DATE:
2011-09-13

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DESCRIPTION:
Some vulnerabilities have been reported in Django, which can be
exploited by malicious people to disclose certain system information,
manipulate certain data, conduct cache poisoning attacks, and cause a
DoS (Denial of Service).

1) An error within the handling of sessions within
django.contrib.sessions when using the caching backend can be
exploited to manipulate session information.

Successful exploitation requires that the session key is known and
the application allows attackers to store dictionary-like objects
with a valid session key in the cache.

2) An error when verifying if URLs provided to the "URLField" field
type correctly resolve can be exploited to exhaust all of the
server's processes and memory by providing an URL to a malicious
server.

3) An error within the handling of redirect responses when verifying
URLs provided to the "URLField" field type can be exploited to e.g.
determine the existence of local files on the server by returning a
redirect response to a "file://" URL.

4) An error within the handling of the "X-Forwarded-Host" HTTP header
when e.g. generating full URLs for redirect responses can be exploited
to conduct cache poisoning attacks.

The vulnerabilities are reported in Django 1.2.x prior to version
1.2.7 and version 1.3.

SOLUTION:
Apply patches or update to version 1.2.7 or 1.3.1.

Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

PROVIDED AND/OR DISCOVERED BY:
1, 2, 3) Paul McMillan
4) Reported by the vendor.

ORIGINAL ADVISORY:
https://www.djangoproject.com/weblog/2011/sep/09/security-releases-issued/
https://www.djangoproject.com/weblog/2011/sep/10/127/

OTHER REFERENCES:
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EXTENDED SOLUTION:
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EXPLOIT:
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