CVE-2019-8978

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.

Category

8.1
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 26.06% Top 5%
Third-Party Advisory packetstormsecurity.com Third-Party Advisory seclists.org Third-Party Advisory githubusercontent.com Third-Party Advisory seclists.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://seclists.org/fulldisclosure/2019/May/18 third party advisory mailing list
http://packetstormsecurity.com/files/152856/Ellucian-Banner-Web-Tailor-Banner-Enterprise-Identity-Services-Improper-Authentication.html third party advisory vdb entry
https://seclists.org/bugtraq/2019/May/31 third party advisory mailing list
https://raw.githubusercontent.com/JoshuaMulliken/CVE-2019-8978/master/README.txt third party advisory
https://ecommunities.ellucian.com/message/252749#252749 permissions required
https://ecommunities.ellucian.com/message/252810#252810 permissions required

Frequently Asked Questions

What is the severity of CVE-2019-8978?
CVE-2019-8978 has been scored as a high severity vulnerability.
How to fix CVE-2019-8978?
To fix CVE-2019-8978, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-8978 being actively exploited in the wild?
It is possible that CVE-2019-8978 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~26% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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