elharo commented on code in PR #12410:
URL: https://github.com/apache/maven/pull/12410#discussion_r3546230375
##########
compat/maven-model-builder/src/main/java/org/apache/maven/model/validation/DefaultModelValidator.java:
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@@ -1160,6 +1163,15 @@ private boolean isValidId(String id) {
return true;
}
+ /**
+ * An id or version made up only of {@code .} or {@code ..} is a
filesystem path-traversal segment. The dotted
Review Comment:
On Unix and probably other systems . and .. are legal filenames. Dealing
with this is a classic Unix sysadmin interview question.
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