CVE-2017-18106
High
Description
The identifier_hash for a session token in Atlassian Crowd before version 2.9.1 could potentially collide with an identifier_hash for another user or a user in a different directory, this allows remote attackers who can authenticate to Crowd or an application using Crowd for authentication to gain access to another user's session provided they can make their identifier hash collide with another user's session identifier hash.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Atlassian Crowd
PublishedMar 29, 2019
First seenMar 29, 2019
How to fix
Update
- atlassian crowd2.9.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| atlassian crowd | v < 2.9.1 | 2.9.1 |
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