Rocket.Chat's SAML SSO before versions 8.7.0, 8.6.1, 8.5.2, 8.4.5, 8.3.7, 8.2.7, 8.1.7, 8.0.8, and 7.10.14 verified XML signatures but did not bind the validated signature to samlp:Response / saml:Assertion. An attacker could submit a wrapped document carrying forged identity attributes alongside any valid signature made by the trusted IdP certificate, and log in as an arbitrary user.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v3.0
Weakness Type (CWE)
Vulnerable Products 8
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Rocket.Chat Rocket.Chat
cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*
|
— |
7.10.14
|
|
Rocket.Chat Rocket.Chat
cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*
|
8.0.0
|
8.0.8
|
|
Rocket.Chat Rocket.Chat
cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*
|
8.1.0
|
8.1.7
|
|
Rocket.Chat Rocket.Chat
cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*
|
8.2.0
|
8.2.7
|
|
Rocket.Chat Rocket.Chat
cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*
|
8.3.0
|
8.3.7
|
|
Rocket.Chat Rocket.Chat
cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*
|
8.4.0
|
8.4.5
|
|
Rocket.Chat Rocket.Chat
cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*
|
8.5.0
|
8.5.2
|
|
Rocket.Chat Rocket.Chat
cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*
|
8.6.0
|
8.6.1
|