JumpServer session replays download without authentication
CVE-2023-42442
Key Information:
- Vendor
jumpserver
- Status
- Vendor
- CVE Published:
- 15 September 2023
Badges
What is CVE-2023-42442?
JumpServer is an open source bastion host and a professional operation and maintenance security audit system. Starting in version 3.0.0 and prior to versions 3.5.5 and 3.6.4, session replays can download without authentication. Session replays stored in S3, OSS, or other cloud storage are not affected. The api /api/v1/terminal/sessions/ permission control is broken and can be accessed anonymously. SessionViewSet permission classes set to [RBACPermission | IsSessionAssignee], relation is or, so any permission matched will be allowed. Versions 3.5.5 and 3.6.4 have a fix. After upgrading, visit the api $HOST/api/v1/terminal/sessions/?limit=1. The expected http response code is 401 (not_authenticated).
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Affected Version(s)
jumpserver >= 3.0.0, < 3.5.5 < 3.0.0, 3.5.5
jumpserver >= 3.6.0, < 3.6.4 < 3.6.0, 3.6.4
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.
References
EPSS Score
87% chance of being exploited in the next 30 days.
CVSS V3.1
Timeline
- π‘
Public PoC available
- πΎ
Exploit known to exist
Vulnerability published
Vulnerability Reserved