Arbitrary account hijacking in Django



Published: 2019-12-18
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-19844
CWE-ID CWE-20
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
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Django
Web applications / CMS

Vendor Django Software Foundation

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Input validation error

EUVDB-ID: #VU23667

Risk: High

CVSSv3.1:

CVE-ID: CVE-2019-19844

CWE-ID: CWE-20 - Improper Input Validation

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to hijack another user account.

The vulnerability exists due to insufficient validation of user-supplied input when processing email addresses passed via the password reset form. A remote attacker with knowledge of a valid email address can use a specially crafted email that after Unicode transformation will be treated as the victim's email address and reset password for the victim's account to the attacker provided email address.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Django: 3.0, 2.1.0 - 2.2.8, 1.1 - 1.11.26


CPE2.3 External links

http://www.djangoproject.com/weblog/2019/dec/18/security-releases/

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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