CVE-2018-15890 Deserialization of Untrusted Data in EthereumJ
Unsafe deserialization in EthereumJ allows arbitrary OS command execution when a node syncs or mines blocks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-15890?
CVE-2018-15890 is a critical unsafe deserialization vulnerability in n/a, published on 20 Jun 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in EthereumJ 1.8.2. There is Unsafe Deserialization in ois.readObject in mine/Ethash.java and decoder.readObject in crypto/ECKey.java. When a node syncs and mines a new block, arbitrary OS commands can be run on the server.
Weakness: CWE-502
Which versions are affected by CVE-2018-15890?
2 open source packages ship an affected version, including org.ethereum:ethereumj-core. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.ethereum:ethereumj-core Maven | All versions to 1.12.0 | None |
org.ethereum:ethereumj-core Maven | All versions to 1.12.0 | None |
Products include Ethereum Ethereumj.
How do I fix CVE-2018-15890?
No fix has been published for CVE-2018-15890 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2018-15890 being exploited?
There is no known exploitation of CVE-2018-15890 in the wild and no public exploit code.
Sources
Also known as GHSA-hf4p-jm7r-vjjj.