Taint enforce: directory open backstops, single-key search filename

[exim.git] / doc / doc-docbook / spec.xfpt

diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index 2a3fb6c51c117a071871445b53256c24a9bc168d..8605fdc3ba73e8a2ad1a21b3e4fb8072464624ff 100644 (file)
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -6675,6 +6675,10 @@ Two different types of data lookup are implemented:
 The &'single-key'& type requires the specification of a file in which to look,
 and a single key to search for. The key must be a non-empty string for the
 lookup to succeed. The lookup type determines how the file is searched.
+.new
+.cindex "tainted data" "single-key lookups"
+The file string may not be tainted
+.wen
 .next
 .cindex "query-style lookup" "definition of"
 The &'query-style'& type accepts a generalized database query. No particular