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GHSA-9h6h-9g78-86f7
No affected components available
Impact
If you make use of the report receiver server (experimental), a client may be able to forge requests such that arbitrary files on the host can be overwritten (subject to permissions of the yapscan server), leading to loss of data. This is particularly problematic if you do not authenticate clients and/or run the server with elevated permissions.
Patches
Vulnerable versions:
- v0.18.0
- v0.19.0 (unreleased)
This problem is patched in version v0.19.1
Workarounds
Update to the newer version is highly encouraged!
Measures to reduce the risk of this include authenticating clients (see --client-ca flag) and containerization of the yapscan server.
References
The tracking issue is #35. There you can find the commits, fixing the issue.
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. The impact is confined to the system where the vulnerability exists. There is a high impact on the integrity of the data.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
Probability that this vulnerability will be exploited in the wild within the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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