nodejs/SOURCES/0005-CVE-2020-7788-ini-do-not-allow-invalid-hazardous-string.patch
2021-09-10 12:59:20 +00:00

100 lines
2.8 KiB
Diff

From cdd56e89bf13b495e5b97cc4416f61638617d7f4 Mon Sep 17 00:00:00 2001
From: isaacs <i@izs.me>
Date: Tue, 8 Dec 2020 14:21:50 -0800
Subject: [PATCH] do not allow invalid hazardous string as section name
Signed-off-by: rpm-build <rpm-build>
---
deps/npm/node_modules/ini/ini.js | 8 +++++
deps/npm/node_modules/ini/test/proto.js | 45 +++++++++++++++++++++++++
2 files changed, 53 insertions(+)
create mode 100644 deps/npm/node_modules/ini/test/proto.js
diff --git a/deps/npm/node_modules/ini/ini.js b/deps/npm/node_modules/ini/ini.js
index 590195d..0401258 100644
--- a/deps/npm/node_modules/ini/ini.js
+++ b/deps/npm/node_modules/ini/ini.js
@@ -80,6 +80,12 @@ function decode (str) {
if (!match) return
if (match[1] !== undefined) {
section = unsafe(match[1])
+ if (section === '__proto__') {
+ // not allowed
+ // keep parsing the section, but don't attach it.
+ p = {}
+ return
+ }
p = out[section] = out[section] || {}
return
}
@@ -94,6 +100,7 @@ function decode (str) {
// Convert keys with '[]' suffix to an array
if (key.length > 2 && key.slice(-2) === '[]') {
key = key.substring(0, key.length - 2)
+ if (key === '__proto__') return
if (!p[key]) {
p[key] = []
} else if (!Array.isArray(p[key])) {
@@ -125,6 +132,7 @@ function decode (str) {
var l = parts.pop()
var nl = l.replace(/\\\./g, '.')
parts.forEach(function (part, _, __) {
+ if (part === '__proto__') return
if (!p[part] || typeof p[part] !== 'object') p[part] = {}
p = p[part]
})
diff --git a/deps/npm/node_modules/ini/test/proto.js b/deps/npm/node_modules/ini/test/proto.js
new file mode 100644
index 0000000..ab35533
--- /dev/null
+++ b/deps/npm/node_modules/ini/test/proto.js
@@ -0,0 +1,45 @@
+var ini = require('../')
+var t = require('tap')
+
+var data = `
+__proto__ = quux
+foo = baz
+[__proto__]
+foo = bar
+[other]
+foo = asdf
+[kid.__proto__.foo]
+foo = kid
+[arrproto]
+hello = snyk
+__proto__[] = you did a good job
+__proto__[] = so you deserve arrays
+thanks = true
+`
+var res = ini.parse(data)
+t.deepEqual(res, {
+ foo: 'baz',
+ other: {
+ foo: 'asdf',
+ },
+ kid: {
+ foo: {
+ foo: 'kid',
+ },
+ },
+ arrproto: {
+ hello: 'snyk',
+ thanks: true,
+ },
+})
+t.equal(res.__proto__, Object.prototype)
+t.equal(res.kid.__proto__, Object.prototype)
+t.equal(res.kid.foo.__proto__, Object.prototype)
+t.equal(res.arrproto.__proto__, Object.prototype)
+t.equal(Object.prototype.foo, undefined)
+t.equal(Object.prototype[0], undefined)
+t.equal(Object.prototype['0'], undefined)
+t.equal(Object.prototype[1], undefined)
+t.equal(Object.prototype['1'], undefined)
+t.equal(Array.prototype[0], undefined)
+t.equal(Array.prototype[1], undefined)
--
2.29.2