Broker-Managed User Impersonation Vulnerability
CVE-2024-9313

8.8HIGH

Key Information:

Vendor

Canonical Ltd.

Status
Authd
Vendor
CVE Published:
3 October 2024

What is CVE-2024-9313?

The Authd PAM module, prior to version 0.3.5, includes a significant vulnerability that permits broker-managed users to impersonate other users managed by the same broker. This allows unauthorized PAM operations to be executed, including the ability to authenticate as the impersonated user, which can lead to breaches of security and user privacy.

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Affected Version(s)

Authd Linux 0 < 0.3.5

References

https://github.com/ubuntu/authd/security/advisories/GHSA-...
issue-tracking
https://www.cve.org/CVERecord?id=CVE-2024-9313
issue-tracking

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Marco Trevisan
Didier Roche-Tolomelli
Mark Esler
JSON
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