cve/2021/CVE-2021-22918.md

CVE-2021-22918

Description

Node.js before 16.4.1, 14.17.2, 12.22.2 is vulnerable to an out-of-bounds read when uv__idna_toascii() is used to convert strings to ASCII. The pointer p is read and increased without checking whether it is beyond pe, with the latter holding a pointer to the end of the buffer. This can lead to information disclosures or crashes. This function can be triggered via uv_getaddrinfo().

POC

Reference

No PoCs from references.

Github

• https://github.com/GitHubForSnap/knot-resolver-gael