CVE-2021-23386GHSA-3WCQ-X3MQ-6R9P
Remote Memory Exposure
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 5.2.2, 1.3.2
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
This affects the package dns-packet before 5.2.2. 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.
Timeline
- CVE published
- Record last updated
Affected versions
- n/a dns-packet
fixed in 5.2.2
- dns-packetnpm
From 2.0.0 · fixed in 5.2.2
- dns-packetnpm
fixed in 1.3.2