Unexpected behavior from Is methods for IPv4-mapped IPv6 addresses in net/netip
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.
01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2024-24790US | critical9.8 | — | ||
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 traditio… | ||||
02
references
External citations — patches, advisories, analysis.
- http://www.openwall.com/lists/oss-security/2024/06/04/1ADVISORY
- https://go.dev/cl/590316FIX
- https://go.dev/issue/67680REPORT
- https://groups.google.com/g/golang-announce/c/XbxouI9gY7k/m/TuoGEhxIEwAJARTICLE
- https://nvd.nist.gov/vuln/detail/CVE-2024-24790WEB
- https://pkg.go.dev/vuln/GO-2024-2887ADVISORY
- https://security.netapp.com/advisory/ntap-20240905-0002/WEB
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