CVE-2019-2391 JS-bson may incorrectly serialise some requests
Incorrect JSON parsing in the js-bson library may lead to improper serialization and potential data disclosure.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-2391?
CVE-2019-2391 is a medium-severity unsafe deserialization vulnerability in MongoDB Inc. js-bson, published on 31 Mar 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Incorrect parsing of certain JSON input may result in js-bson not correctly serializing BSON. This may cause unexpected application behaviour including data disclosure. This issue affects: MongoDB Inc. js-bson library version 1.1.3 and prior to.
Weakness: CWE-502
Which versions are affected by CVE-2019-2391?
2 open source packages ship an affected version, including bson. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
bson npm | All versions | 1.1.4 |
bson npm | All versions | 1.1.4 |
Products include Mongodb Js-Bson.
How do I fix CVE-2019-2391?
Upgrade bson to 1.1.4 or later.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2019-2391 being exploited?
There is no known exploitation of CVE-2019-2391 in the wild and no public exploit code.
Other vulnerabilities in MongoDB Inc. js-bson
Sources
Also known as DEBIAN-CVE-2019-2391, GHSA-4jwp-vfvf-657p, ROOT-APP-NPM-CVE-2019-2391, UBUNTU-CVE-2019-2391.