CVE-2018-13257 Open redirect in n/a
Attackers can spoof HTTP host headers during CAS validation to redirect users to malicious sites, facilitating phishing attacks against Blackboard Learn users.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2018-13257?
CVE-2018-13257 is a medium-severity vulnerability in n/a, published on 18 Nov 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The bb-auth-provider-cas authentication module within Blackboard Learn 2018-07-02 is susceptible to HTTP host header spoofing during Central Authentication Service (CAS) service ticket validation, enabling a phishing attack from the CAS server login page.
Weakness: CWE-601
Which versions are affected by CVE-2018-13257?
It affects 1 product.
Products include Blackboard Blackboard Learn.
How do I fix CVE-2018-13257?
No fix has been published for CVE-2018-13257 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-13257 being exploited?
There is no known exploitation of CVE-2018-13257 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
Sources
Also known as GHSA-mjpp-cj33-843w.