CVE-2019-8978 Race condition in n/a
Remote attackers can steal victim sessions and cause denial of service via a race condition in Ellucian Banner Web Tailor and Identity Services.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-8978?
CVE-2019-8978 is a high-severity vulnerability in n/a, published on 14 May 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An improper authentication vulnerability can be exploited through a race condition that occurs in Ellucian Banner Web Tailor 8.8.3, 8.8.4, and 8.9 and Banner Enterprise Identity Services 8.3, 8.3.1, 8.3.2, and 8.4, in conjunction with SSO Manager. This vulnerability allows remote attackers to steal a victim's session (and cause a denial of service) by repeatedly requesting the initial Banner Web Tailor main page with the IDMSESSID cookie set to the victim's UDCID, which in the case tested is the institutional ID. During a login attempt by a victim, the attacker can leverage the race condition and will be issued the SESSID that was meant for this victim.
Which versions are affected by CVE-2019-8978?
It affects 2 products.
Products include Ellucian Banner Enterprise Identity Services, Ellucian Banner Web Tailor.
How do I fix CVE-2019-8978?
No fix has been published for CVE-2019-8978 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-8978 being exploited?
There is no known exploitation of CVE-2019-8978 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-fcm9-r389-xjjv.