Remote Memory Exposure Affecting dns-packet package, versions <1.3.4 >=2.0.0 <5.2.4
Threat Intelligence
EPSS
0.1% (42nd
percentile)
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Test your applications- Snyk ID SNYK-JS-DNSPACKET-1293563
- published 20 May 2021
- disclosed 18 May 2021
- credit chalker
Introduced: 18 May 2021
CVE-2021-23386 Open this link in a new tabHow to fix?
Upgrade dns-packet to version 1.3.4, 5.2.4 or higher.
Overview
dns-packet is an An abstract-encoding compliant module for encoding / decoding DNS packets
Affected versions of this package are vulnerable to Remote Memory Exposure. It creates buffers with allocUnsafe and does not always fill them before forming network packets. This can expose internal application memory over unencrypted network when querying crafted invalid domain names.
References
CVSS Scores
version 3.1