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Fix NPE in IpAddressMatcher

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Closes gh-15527
This commit is contained in:
Steve Riesenberg 2024-11-14 16:32:04 -06:00
parent 6e495b8ba9
commit 52de894c3c
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2 changed files with 19 additions and 1 deletions
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5
web/src/main/java/org/springframework/security/web/util/matcher/IpAddressMatcher.java
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@ -71,6 +71,11 @@ public final class IpAddressMatcher implements RequestMatcher {
} }
public boolean matches(String address) { public boolean matches(String address) {
// Do not match null or blank address
if (!StringUtils.hasText(address)) {
return false;
}
assertNotHostName(address); assertNotHostName(address);
InetAddress remoteAddress = parseAddress(address); InetAddress remoteAddress = parseAddress(address);
if (!this.requiredAddress.getClass().equals(remoteAddress.getClass())) { if (!this.requiredAddress.getClass().equals(remoteAddress.getClass())) {

15
web/src/test/java/org/springframework/security/web/util/matcher/IpAddressMatcherTests.java
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@ -1,5 +1,5 @@
/* /*
* Copyright 2002-2019 the original author or authors. * Copyright 2002-2024 the original author or authors.
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. * you may not use this file except in compliance with the License.
@ -126,4 +126,17 @@ public class IpAddressMatcherTests {
.withMessage("ipAddress 123.156.7.18.org doesn't look like an IP Address. Is it a host name?"); .withMessage("ipAddress 123.156.7.18.org doesn't look like an IP Address. Is it a host name?");
} }
// gh-15527
@Test
public void matchesWhenIpAddressIsLoopbackAndAddressIsNullThenFalse() {
IpAddressMatcher ipAddressMatcher = new IpAddressMatcher("127.0.0.1");
assertThat(ipAddressMatcher.matches((String) null)).isFalse();
}
// gh-15527
@Test
public void matchesWhenAddressIsNullThenFalse() {
assertThat(this.v4matcher.matches((String) null)).isFalse();
}
} }