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GHSA-xwgj-vpm9-q2rq
No affected components available
Impact
An abstract UNIX domain socket responsible for introspection is available without authentication locally to any user with access to the network namespace where the local juju agent is running.
On a juju controller agent, denial of service can be performed by using the /leases/revoke endpoint. Revoking leases in juju can cause availability issues.
On a juju machine agent that is hosting units, disabling the unit component can be performed using the /units endpoint with a "stop" action.
Patches
Patch: https://github.com/juju/juju/commit/43f0fc59790d220a457d4d305f484f62be556d3b Patched in:
- 3.5.4
- 3.4.6
- 3.3.7
- 3.1.10
- 2.9.51
Workarounds
No workaround.
References
https://github.com/juju/juju/blob/725800953aaa29dbeda4f806097bf838e61644dd/worker/introspection/worker.go#L125
The vulnerability requires local access to the device to be exploited. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability. The vulnerability can affect other systems as well, not just the initial system. There is a low impact on the confidentiality of the information. There is a low impact on the integrity of the data. There is a high impact on the availability of the system.
Exploitation activity has been observed. Apply available patches or mitigations urgently.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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