#VU30319 Deserialization of Untrusted Data in js-bson - CVE-2019-2391

Vulnerability identifier: #VU30319

Vulnerability risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-2391

CWE-ID: CWE-502

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
js-bson
Web applications / JS libraries

Vendor: MongoDB, Inc.

Description

The vulnerability allows a remote authenticated user to read and manipulate data.

Incorrect parsing of certain JSON input may result in js-bson not correctly serializing BSON. This may cause unexpected application behaviour including data disclosure.

Mitigation
Install update from vendor's website.

Vulnerable software versions

js-bson: 1.1.0 - 1.1.3

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External links
https://github.com/mongodb/js-bson/releases/tag/v1.1.4

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.