cdk-nag
Version:
Check CDK v2 applications for best practices using a combination on available rule packs.
76 lines • 11.8 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
/*
Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/
const path_1 = require("path");
const aws_cdk_lib_1 = require("aws-cdk-lib");
const aws_ec2_1 = require("aws-cdk-lib/aws-ec2");
const nag_rules_1 = require("../../nag-rules");
/**
* Security Groups do not allow for unrestricted SSH traffic
* @param node the CfnResource to check
*/
exports.default = Object.defineProperty((node) => {
if (node instanceof aws_ec2_1.CfnSecurityGroup) {
const ingressRules = aws_cdk_lib_1.Stack.of(node).resolve(node.securityGroupIngress);
if (ingressRules != undefined) {
//For each ingress rule, ensure that it does not allow unrestricted SSH traffic.
for (const rule of ingressRules) {
const resolvedRule = aws_cdk_lib_1.Stack.of(node).resolve(rule);
const ipProtocol = nag_rules_1.NagRules.resolveIfPrimitive(node, resolvedRule.ipProtocol);
const cidrIp = nag_rules_1.NagRules.resolveIfPrimitive(node, resolvedRule.cidrIp);
const cidrIpv6 = nag_rules_1.NagRules.resolveIfPrimitive(node, resolvedRule.cidrIpv6);
const fromPort = nag_rules_1.NagRules.resolveIfPrimitive(node, resolvedRule.fromPort);
const toPort = nag_rules_1.NagRules.resolveIfPrimitive(node, resolvedRule.toPort);
if ((cidrIp != undefined && cidrIp.includes('/0')) ||
(cidrIpv6 != undefined && cidrIpv6.includes('/0'))) {
if (fromPort != undefined && toPort != undefined) {
if ((fromPort <= 22 && toPort >= 22) ||
fromPort == -1 ||
toPort == -1 ||
ipProtocol == '-1') {
return nag_rules_1.NagRuleCompliance.NON_COMPLIANT;
}
}
else {
if (fromPort == 22 || ipProtocol == '-1') {
return nag_rules_1.NagRuleCompliance.NON_COMPLIANT;
}
}
}
}
}
return nag_rules_1.NagRuleCompliance.COMPLIANT;
}
else if (node instanceof aws_ec2_1.CfnSecurityGroupIngress) {
const ipProtocol = nag_rules_1.NagRules.resolveIfPrimitive(node, node.ipProtocol);
const cidrIp = nag_rules_1.NagRules.resolveIfPrimitive(node, node.cidrIp);
const cidrIpv6 = nag_rules_1.NagRules.resolveIfPrimitive(node, node.cidrIpv6);
const fromPort = nag_rules_1.NagRules.resolveIfPrimitive(node, node.fromPort);
const toPort = nag_rules_1.NagRules.resolveIfPrimitive(node, node.toPort);
if ((cidrIp != undefined && cidrIp.includes('/0')) ||
(cidrIpv6 != undefined && cidrIpv6.includes('/0'))) {
//Is a port range specified?
if (fromPort != undefined && toPort != undefined) {
if ((fromPort <= 22 && toPort >= 22) ||
fromPort == -1 ||
toPort == -1 ||
ipProtocol == '-1') {
return nag_rules_1.NagRuleCompliance.NON_COMPLIANT;
}
}
else {
if (fromPort == 22 || ipProtocol == '-1') {
return nag_rules_1.NagRuleCompliance.NON_COMPLIANT;
}
}
}
return nag_rules_1.NagRuleCompliance.COMPLIANT;
}
else {
return nag_rules_1.NagRuleCompliance.NOT_APPLICABLE;
}
}, 'name', { value: path_1.parse(__filename).name });
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"EC2RestrictedSSH.js","sourceRoot":"","sources":["../../../src/rules/ec2/EC2RestrictedSSH.ts"],"names":[],"mappings":";;AAAA;;;EAGE;AACF,+BAA6B;AAC7B,6CAAiD;AACjD,iDAAgF;AAChF,+CAA8D;AAE9D;;;GAGG;AACH,kBAAe,MAAM,CAAC,cAAc,CAClC,CAAC,IAAiB,EAAqB,EAAE;IACvC,IAAI,IAAI,YAAY,0BAAgB,EAAE;QACpC,MAAM,YAAY,GAAG,mBAAK,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC,OAAO,CAAC,IAAI,CAAC,oBAAoB,CAAC,CAAC;QACvE,IAAI,YAAY,IAAI,SAAS,EAAE;YAC7B,gFAAgF;YAChF,KAAK,MAAM,IAAI,IAAI,YAAY,EAAE;gBAC/B,MAAM,YAAY,GAAG,mBAAK,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC,OAAO,CAAC,IAAI,CAAC,CAAC;gBAClD,MAAM,UAAU,GAAG,oBAAQ,CAAC,kBAAkB,CAC5C,IAAI,EACJ,YAAY,CAAC,UAAU,CACxB,CAAC;gBACF,MAAM,MAAM,GAAG,oBAAQ,CAAC,kBAAkB,CAAC,IAAI,EAAE,YAAY,CAAC,MAAM,CAAC,CAAC;gBACtE,MAAM,QAAQ,GAAG,oBAAQ,CAAC,kBAAkB,CAC1C,IAAI,EACJ,YAAY,CAAC,QAAQ,CACtB,CAAC;gBACF,MAAM,QAAQ,GAAG,oBAAQ,CAAC,kBAAkB,CAC1C,IAAI,EACJ,YAAY,CAAC,QAAQ,CACtB,CAAC;gBACF,MAAM,MAAM,GAAG,oBAAQ,CAAC,kBAAkB,CAAC,IAAI,EAAE,YAAY,CAAC,MAAM,CAAC,CAAC;gBACtE,IACE,CAAC,MAAM,IAAI,SAAS,IAAI,MAAM,CAAC,QAAQ,CAAC,IAAI,CAAC,CAAC;oBAC9C,CAAC,QAAQ,IAAI,SAAS,IAAI,QAAQ,CAAC,QAAQ,CAAC,IAAI,CAAC,CAAC,EAClD;oBACA,IAAI,QAAQ,IAAI,SAAS,IAAI,MAAM,IAAI,SAAS,EAAE;wBAChD,IACE,CAAC,QAAQ,IAAI,EAAE,IAAI,MAAM,IAAI,EAAE,CAAC;4BAChC,QAAQ,IAAI,CAAC,CAAC;4BACd,MAAM,IAAI,CAAC,CAAC;4BACZ,UAAU,IAAI,IAAI,EAClB;4BACA,OAAO,6BAAiB,CAAC,aAAa,CAAC;yBACxC;qBACF;yBAAM;wBACL,IAAI,QAAQ,IAAI,EAAE,IAAI,UAAU,IAAI,IAAI,EAAE;4BACxC,OAAO,6BAAiB,CAAC,aAAa,CAAC;yBACxC;qBACF;iBACF;aACF;SACF;QACD,OAAO,6BAAiB,CAAC,SAAS,CAAC;KACpC;SAAM,IAAI,IAAI,YAAY,iCAAuB,EAAE;QAClD,MAAM,UAAU,GAAG,oBAAQ,CAAC,kBAAkB,CAAC,IAAI,EAAE,IAAI,CAAC,UAAU,CAAC,CAAC;QACtE,MAAM,MAAM,GAAG,oBAAQ,CAAC,kBAAkB,CAAC,IAAI,EAAE,IAAI,CAAC,MAAM,CAAC,CAAC;QAC9D,MAAM,QAAQ,GAAG,oBAAQ,CAAC,kBAAkB,CAAC,IAAI,EAAE,IAAI,CAAC,QAAQ,CAAC,CAAC;QAClE,MAAM,QAAQ,GAAG,oBAAQ,CAAC,kBAAkB,CAAC,IAAI,EAAE,IAAI,CAAC,QAAQ,CAAC,CAAC;QAClE,MAAM,MAAM,GAAG,oBAAQ,CAAC,kBAAkB,CAAC,IAAI,EAAE,IAAI,CAAC,MAAM,CAAC,CAAC;QAC9D,IACE,CAAC,MAAM,IAAI,SAAS,IAAI,MAAM,CAAC,QAAQ,CAAC,IAAI,CAAC,CAAC;YAC9C,CAAC,QAAQ,IAAI,SAAS,IAAI,QAAQ,CAAC,QAAQ,CAAC,IAAI,CAAC,CAAC,EAClD;YACA,4BAA4B;YAC5B,IAAI,QAAQ,IAAI,SAAS,IAAI,MAAM,IAAI,SAAS,EAAE;gBAChD,IACE,CAAC,QAAQ,IAAI,EAAE,IAAI,MAAM,IAAI,EAAE,CAAC;oBAChC,QAAQ,IAAI,CAAC,CAAC;oBACd,MAAM,IAAI,CAAC,CAAC;oBACZ,UAAU,IAAI,IAAI,EAClB;oBACA,OAAO,6BAAiB,CAAC,aAAa,CAAC;iBACxC;aACF;iBAAM;gBACL,IAAI,QAAQ,IAAI,EAAE,IAAI,UAAU,IAAI,IAAI,EAAE;oBACxC,OAAO,6BAAiB,CAAC,aAAa,CAAC;iBACxC;aACF;SACF;QACD,OAAO,6BAAiB,CAAC,SAAS,CAAC;KACpC;SAAM;QACL,OAAO,6BAAiB,CAAC,cAAc,CAAC;KACzC;AACH,CAAC,EACD,MAAM,EACN,EAAE,KAAK,EAAE,YAAK,CAAC,UAAU,CAAC,CAAC,IAAI,EAAE,CAClC,CAAC","sourcesContent":["/*\nCopyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\nSPDX-License-Identifier: Apache-2.0\n*/\nimport { parse } from 'path';\nimport { CfnResource, Stack } from 'aws-cdk-lib';\nimport { CfnSecurityGroupIngress, CfnSecurityGroup } from 'aws-cdk-lib/aws-ec2';\nimport { NagRuleCompliance, NagRules } from '../../nag-rules';\n\n/**\n * Security Groups do not allow for unrestricted SSH traffic\n * @param node the CfnResource to check\n */\nexport default Object.defineProperty(\n  (node: CfnResource): NagRuleCompliance => {\n    if (node instanceof CfnSecurityGroup) {\n      const ingressRules = Stack.of(node).resolve(node.securityGroupIngress);\n      if (ingressRules != undefined) {\n        //For each ingress rule, ensure that it does not allow unrestricted SSH traffic.\n        for (const rule of ingressRules) {\n          const resolvedRule = Stack.of(node).resolve(rule);\n          const ipProtocol = NagRules.resolveIfPrimitive(\n            node,\n            resolvedRule.ipProtocol\n          );\n          const cidrIp = NagRules.resolveIfPrimitive(node, resolvedRule.cidrIp);\n          const cidrIpv6 = NagRules.resolveIfPrimitive(\n            node,\n            resolvedRule.cidrIpv6\n          );\n          const fromPort = NagRules.resolveIfPrimitive(\n            node,\n            resolvedRule.fromPort\n          );\n          const toPort = NagRules.resolveIfPrimitive(node, resolvedRule.toPort);\n          if (\n            (cidrIp != undefined && cidrIp.includes('/0')) ||\n            (cidrIpv6 != undefined && cidrIpv6.includes('/0'))\n          ) {\n            if (fromPort != undefined && toPort != undefined) {\n              if (\n                (fromPort <= 22 && toPort >= 22) ||\n                fromPort == -1 ||\n                toPort == -1 ||\n                ipProtocol == '-1'\n              ) {\n                return NagRuleCompliance.NON_COMPLIANT;\n              }\n            } else {\n              if (fromPort == 22 || ipProtocol == '-1') {\n                return NagRuleCompliance.NON_COMPLIANT;\n              }\n            }\n          }\n        }\n      }\n      return NagRuleCompliance.COMPLIANT;\n    } else if (node instanceof CfnSecurityGroupIngress) {\n      const ipProtocol = NagRules.resolveIfPrimitive(node, node.ipProtocol);\n      const cidrIp = NagRules.resolveIfPrimitive(node, node.cidrIp);\n      const cidrIpv6 = NagRules.resolveIfPrimitive(node, node.cidrIpv6);\n      const fromPort = NagRules.resolveIfPrimitive(node, node.fromPort);\n      const toPort = NagRules.resolveIfPrimitive(node, node.toPort);\n      if (\n        (cidrIp != undefined && cidrIp.includes('/0')) ||\n        (cidrIpv6 != undefined && cidrIpv6.includes('/0'))\n      ) {\n        //Is a port range specified?\n        if (fromPort != undefined && toPort != undefined) {\n          if (\n            (fromPort <= 22 && toPort >= 22) ||\n            fromPort == -1 ||\n            toPort == -1 ||\n            ipProtocol == '-1'\n          ) {\n            return NagRuleCompliance.NON_COMPLIANT;\n          }\n        } else {\n          if (fromPort == 22 || ipProtocol == '-1') {\n            return NagRuleCompliance.NON_COMPLIANT;\n          }\n        }\n      }\n      return NagRuleCompliance.COMPLIANT;\n    } else {\n      return NagRuleCompliance.NOT_APPLICABLE;\n    }\n  },\n  'name',\n  { value: parse(__filename).name }\n);\n"]}