#VU45482 Input validation error in Django - CVE-2010-4535
Vulnerability identifier: #VU45482
Vulnerability risk: Medium
CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Django
Web applications /
CMS
Vendor: Django Software Foundation
Description
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
The password reset functionality in django.contrib.auth in Django before 1.1.3, 1.2.x before 1.2.4, and 1.3.x before 1.3 beta 1 does not validate the length of a string representing a base36 timestamp, which allows remote attackers to cause a denial of service (resource consumption) via a URL that specifies a large base36 integer.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Django: 0.91 - 0.96, 1.0 - 1.3
External links
https://code.djangoproject.com/changeset/15032
https://lists.fedoraproject.org/pipermail/package-announce/2011-January/053041.html
https://lists.fedoraproject.org/pipermail/package-announce/2011-January/053072.html
https://secunia.com/advisories/42715
https://secunia.com/advisories/42827
https://secunia.com/advisories/42913
https://www.djangoproject.com/weblog/2010/dec/22/security/
https://www.openwall.com/lists/oss-security/2010/12/23/4
https://www.openwall.com/lists/oss-security/2011/01/03/5
https://www.securityfocus.com/bid/45563
https://www.ubuntu.com/usn/USN-1040-1
https://www.vupen.com/english/advisories/2011/0048
https://www.vupen.com/english/advisories/2011/0098
https://bugzilla.redhat.com/show_bug.cgi?id=665373
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
