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Posted to commits@logging.apache.org by ck...@apache.org on 2021/12/18 01:24:40 UTC
[logging-log4j2] 07/16: [DOC] fix typo: this is not a velocity template page
This is an automated email from the ASF dual-hosted git repository.
ckozak pushed a commit to branch release-2.x
in repository https://gitbox.apache.org/repos/asf/logging-log4j2.git
commit 5fa35e116e00dfbf49e0b65492191fb189930842
Author: Remko Popma <re...@yahoo.com>
AuthorDate: Sat Dec 18 09:11:48 2021 +0900
[DOC] fix typo: this is not a velocity template page
---
src/site/markdown/security.md | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/site/markdown/security.md b/src/site/markdown/security.md
index 9b04065..b047964 100644
--- a/src/site/markdown/security.md
+++ b/src/site/markdown/security.md
@@ -60,7 +60,7 @@ Apache Log4j2 does not always protect from infinite recursion in lookup evaluati
### Description
Apache Log4j2 versions 2.0-alpha1 through 2.16.0 did not protect from uncontrolled recursion from self-referential lookups.
-When the logging configuration uses a non-default Pattern Layout with a Context Lookup (for example, ``${dollar}${dollar}{ctx:loginId}``),
+When the logging configuration uses a non-default Pattern Layout with a Context Lookup (for example, ``$${ctx:loginId}``),
attackers with control over Thread Context Map (MDC) input data can craft malicious input data that contains a recursive lookup,
resulting in a StackOverflowError that will terminate the process. This is also known as a DOS (Denial of Service) attack.