Authd
CVE-2024-9312
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
|
| Impact | CVSS score of 6.4 (MEDIUM). Attack characteristics: local attack vector, high complexity, high privileges required, no user interaction not required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | Successful exploitation could compromise the medium-severity affected system. |
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Alert meAnalysisAI
Authd, through version 0.3.6, did not sufficiently randomize user IDs to prevent collisions. Rated medium severity (CVSS 6.4). Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in go
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Technical ContextAI · show details
This vulnerability is classified under CWE-286. Authd, through version 0.3.6, did not sufficiently randomize user IDs to prevent collisions. A local attacker who can register user names could spoof another user's ID and gain their privileges. Affected products include: Canonical Authd. Version information: version 0.3.6.
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Severity by source
AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
Authd, through version 0.3.6, did not sufficiently randomize user IDs to prevent collisions. A local attacker who can register user names could spoof another user's ID and gain their privileges.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
Affected Products (CPE)NVD
Local privilege escalation in Canonical's authd (the Ubuntu authentication daemon for external identity providers) prior
Authd PAM module before version 0.3.5 can allow broker-managed users to impersonate any other user managed by the same b
Privilege escalation flaw in authd's temporary user record handling during pre-authentication NSS operations that causes
Canonical authd before 0.7.1 can silently rebind a recycled identity-provider email address to an existing local account
authd sets weak permissions for /etc/ident.key, which allows local users to obtain the key by leveraging a race conditio
Exploit-DB