commit 1b7d8005de2cd952556112a476f125778d70b18e
author supertomcat <bilderherunterlader@gmail.com> Sat Nov 16 06:54:27 2019 +0100
committer supertomcat <bilderherunterlader@gmail.com> Sat Nov 16 06:54:27 2019 +0100
tree db43992df5b91410defd6b8bef7ef1e101baca43
parent f5548ccc3db5f4d08afd9c4010d3bee207615705

LOG4J2-2707: ArrayIndexOutOfBoundsException in UuidUtil, when MAC address is longer than 6 bytes

log4j-core/src/main/java/org/apache/logging/log4j/core/util/UuidUtil.java

diff --git a/log4j-core/src/main/java/org/apache/logging/log4j/core/util/UuidUtil.java b/log4j-core/src/main/java/org/apache/logging/log4j/core/util/UuidUtil.java
index 7b392ed..77d7f9f 100644
--- a/log4j-core/src/main/java/org/apache/logging/log4j/core/util/UuidUtil.java
+++ b/log4j-core/src/main/java/org/apache/logging/log4j/core/util/UuidUtil.java
@@ -78,7 +78,7 @@
         for (int i = 2; i < NODE_SIZE; ++i) {
             node[i] = 0;
         }
-        System.arraycopy(mac, index, node, index + 2, length);
+        System.arraycopy(mac, index, node, 2, length);
         final ByteBuffer buf = ByteBuffer.wrap(node);
         long rand = INITIAL_UUID_SEQNO;
         String assigned = PropertiesUtil.getProperties().getStringProperty(ASSIGNED_SEQUENCES);