Multiple vulnerabilities in Django



Published: 2020-06-10
Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE ID CVE-2020-13596
CVE-2020-13254
CWE ID CWE-79
CWE-295
Exploitation vector Network
Public exploit Public exploit code for vulnerability #2 is available.
Vulnerable software
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Django
Web applications / CMS

Vendor Django Software Foundation

Security Advisory

1) Cross-site scripting

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-13596

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in Query parameters generated by the Django admin "ForeignKeyRawIdWidget". A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Django: 2.2, 2.2.1, 2.2.2, 2.2.3, 2.2.4, 2.2.5, 2.2.6, 2.2.7, 2.2.8, 2.2.9, 2.2.10, 2.2.11, 2.2.12, 3.0, 3.0.1, 3.0.2, 3.0.3, 3.0.4, 3.0.5, 3.0.6

CPE External links

https://docs.djangoproject.com/en/3.0/releases/security/
https://groups.google.com/forum/#!msg/django-announce/pPEmb2ot4Fo/X-SMalYSBAAJ
https://usn.ubuntu.com/4381-1/
https://usn.ubuntu.com/4381-2/
https://www.djangoproject.com/weblog/2020/jun/03/security-releases/

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.

2) Improper Certificate Validation

Risk: Medium

CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-13254

CWE-ID: CWE-295 - Improper Certificate Validation

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to gain access to sensitive information on the system

The vulnerability exists when a memcached backend does not perform key validation. A remote attacker can gain access to sensitive information on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Django: 2.2, 2.2.1, 2.2.2, 2.2.3, 2.2.4, 2.2.5, 2.2.6, 2.2.7, 2.2.8, 2.2.9, 2.2.10, 2.2.11, 2.2.12, 3.0, 3.0.1, 3.0.2, 3.0.3, 3.0.4, 3.0.5, 3.0.6

CPE External links

https://docs.djangoproject.com/en/3.0/releases/security/
https://groups.google.com/d/msg/django-announce/pPEmb2ot4Fo/X-SMalYSBAAJ
https://usn.ubuntu.com/4381-1/
https://usn.ubuntu.com/4381-2/
https://www.djangoproject.com/weblog/2020/jun/03/security-releases/

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. However, proof of concept for this vulnerability is available.



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