An improper authentication vulnerability can be exploited through a race condition that occurs in Ellucian Banner Web Tailor 8.8.3, 8.8.4,…
mitre·CWE-287·Published 2019-05-14
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.
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.
Una Vulnerabilidad de identificación incorrecta, puede ser aprovechada a través de una condición de carrera que ocurre en Ellucian Banner Web Tailor 8.8.3, 8.8.4, y 8.9 y Banner Enterprise Identity Services 8.3, 8.3.1, 8.3.2, and 8.4, en conjunción con SSO Manager. Esta vulnerabilidad permite a los atacantes remotos robar sesiones de las victimas ( y causar denegación de servicio) Solicitando repetidamente la página inicial Banner Web Tailor con la cookie IDMESSID, configurada para el UDCID de la víctima, la cual en este caso es comprobada en la identificación institucional. Durante el intento de inicio por la víctima, el atacante puede aprovechar esta condición de carrera y se le emitirá el SESSID que fue destinada para esta víctima.
| Version | Type | Source | Base | Exp | Impact | Vector |
|---|---|---|---|---|---|---|
| 2.0 | Primary | NVD | 6.8 | 8.6 | 6.4 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
| 3.0 | Primary | NVD | 8.1 | 2.2 | 5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |