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Summary

Detail
Vendor 9front First view 2024-08-25
Product lib9p Last view 2024-08-25
Version * Type Application
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CPE Product cpe:2.3:a:9front:lib9p

Activity : Overall

Related : CVE

  Date Alert Description
6.5 2024-08-25 CVE-2024-8158

A bug in the 9p authentication implementation within lib9p allows an attacker with an existing valid user within the configured auth server to impersonate any other valid filesystem user.

This is due to lib9p not properly verifying that the uname given in the Tauth and Tattach 9p messages matches the client UID returned from the factotum authentication handshake.

The only filesystem making use of these functions within the base 9front systems is the experimental hjfs disk filesystem, other disk filesystems (cwfs and gefs) are not affected by this bug.

This bug was inherited from Plan 9 and is present in all versions of 9front and is remedied fully in commit 9645ae07eb66a59015e3e118d0024790c37400da.

CWE : Common Weakness Enumeration

%idName
100% (1) CWE-639 Access Control Bypass Through User-Controlled Key