#VU24776 Inadequate Encryption Strength in Django User Sessions - CVE-2020-5224

Vulnerability identifier: #VU24776

Vulnerability risk: High

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-5224

CWE-ID: CWE-326

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Django User Sessions
Web applications / Modules and components for CMS

Vendor: Jazzband

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the views provided allow users to terminate specific sessions. The session key is used to identify sessions, and thus included in the rendered HTML. In itself this is not a problem. However if the website has an XSS vulnerability, the session key could be extracted by the authenticated attacker and a session takeover could happen.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Django User Sessions: 0.1.0 - 1.7.0

---

External links
https://github.com/Bouke/django-user-sessions/security/advisories/GHSA-5fq8-3q2f-4m5g
https://github.com/jazzband/django-user-sessions/commit/f0c4077e7d1436ba6d721af85cee89222ca5d2d9

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.