CVE-2020-1964 Deserialization of Untrusted Data in Apache Heron
Remote attackers can execute arbitrary code by exploiting unsafe YAML deserialization in Apache Heron.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-1964?
CVE-2020-1964 is a critical unsafe deserialization vulnerability in Apache Heron, published on 16 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
It was noticed that Apache Heron 0.20.2-incubating, Release 0.20.1-incubating, and Release v-0.20.0-incubating does not configure its YAML parser to prevent the instantiation of arbitrary types, resulting in a remote code execution vulnerabilities (CWE-502: Deserialization of Untrusted Data).
Weakness: CWE-502
Which versions are affected by CVE-2020-1964?
2 open source packages ship an affected version, including org.apache.heron:heron-simulator. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.apache.heron:heron-simulator Maven | From 0.20.0-incubating | 0.20.3-incubating |
org.apache.heron:heron-simulator Maven | From 0.20.0-incubating | 0.20.3-incubating |
Products include Apache Heron.
How do I fix CVE-2020-1964?
Upgrade org.apache.heron:heron-simulator to 0.20.3-incubating or later.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2020-1964 being exploited?
There is no known exploitation of CVE-2020-1964 in the wild and no public exploit code.
Other vulnerabilities in Apache Heron
Sources
Also known as GHSA-hjgm-f7vx-m5g7.