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GHSA-mf33-gv72-w2h5
No affected components available
The cloakserve CDP multiplexer uses the user-supplied fingerprint query parameter directly as a filesystem path component when creating Chrome profile directories. An unauthenticated attacker who can reach the cloakserve port can supply a crafted fingerprint value containing path traversal sequences to resolve user_data_dir outside the configured data_dir. When Chrome fails to start or the process is cleaned up, shutil.rmtree() deletes the traversed path, resulting in arbitrary directory deletion.
Additionally, cloakserve bound to 0.0.0.0 by default, making it network-exposed.
Impact
An attacker with network access to the cloakserve port can delete arbitrary directories accessible to the service user.
Patches
Fixed in v0.3.28.
Mitigations
- Upgrade to v0.3.28 or later
- Restrict network access to the cloakserve port
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
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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