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Merge pull request #3085 from ACMYuechen/fix/tools-ssrf-198.18

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fix(tools): block 198.18.0.0/15 in SSRF guard
This commit is contained in:
Mauro
2026-06-11 00:16:24 +02:00
committed by GitHub
parent bc6179917c 2ecdb893d5
commit 2efbe5d560
2 changed files with 8 additions and 2 deletions
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pkg/tools/integration/web.go
+4 -2
View File
@@ -2520,7 +2520,8 @@ func isObviousPrivateHost(host string, whitelist *privateHostWhitelist) bool {
// isPrivateOrRestrictedIP returns true for IPs that should never be reached via web_fetch:
// RFC 1918, loopback, link-local (incl. cloud metadata 169.254.x.x), carrier-grade NAT,
// IPv6 unique-local (fc00::/7), 6to4 (2002::/16), and Teredo (2001:0000::/32).
// benchmark (198.18.0.0/15), IPv6 unique-local (fc00::/7), 6to4 (2002::/16), and
// Teredo (2001:0000::/32).
func isPrivateOrRestrictedIP(ip net.IP) bool {
if ip == nil {
return true
@@ -2539,7 +2540,8 @@ func isPrivateOrRestrictedIP(ip net.IP) bool {
(ip4[0] == 172 && ip4[1] >= 16 && ip4[1] <= 31) ||
(ip4[0] == 192 && ip4[1] == 168) ||
(ip4[0] == 169 && ip4[1] == 254) ||
(ip4[0] == 100 && ip4[1] >= 64 && ip4[1] <= 127) {
(ip4[0] == 100 && ip4[1] >= 64 && ip4[1] <= 127) ||
(ip4[0] == 198 && ip4[1] >= 18 && ip4[1] <= 19) {
return true
}
return false
pkg/tools/integration/web_test.go
+4
View File
@@ -966,6 +966,10 @@ func TestIsPrivateOrRestrictedIP_Table(t *testing.T) {
{"192.168.1.1", true, "IPv4 private class C"},
{"169.254.169.254", true, "link-local / cloud metadata"},
{"100.64.0.1", true, "carrier-grade NAT"},
{"198.18.0.1", true, "RFC 2544 benchmark"},
{"198.19.255.1", true, "RFC 2544 benchmark end"},
{"198.17.0.1", false, "just before 198.18.0.0/15"},
{"198.20.0.1", false, "just after 198.19.255.255"},
{"0.0.0.0", true, "unspecified"},
{"8.8.8.8", false, "public DNS"},
{"1.1.1.1", false, "public DNS"},