CVE-2024-24790: Unexpected behavior from Is methods for IPv4-mapped IPv6 addresses in net/netip
Description
The various Is methods (IsPrivate, IsLoopback, etc) did not work as expected for IPv4-mapped IPv6 addresses, returning false for addresses which would return true in their traditional IPv4 forms.
Classification
CVE ID: CVE-2024-24790
Affected Products
Vendor: Go standard library
Product: net/netip
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.06% (probability of being exploited)
EPSS Percentile: 30.21% (scored less or equal to compared to others)
EPSS Date: 2025-03-14 (when was this score calculated)
References
https://go.dev/cl/590316https://go.dev/issue/67680
https://groups.google.com/g/golang-announce/c/XbxouI9gY7k/m/TuoGEhxIEwAJ
https://pkg.go.dev/vuln/GO-2024-2887
http://www.openwall.com/lists/oss-security/2024/06/04/1