summaryrefslogtreecommitdiff
path: root/doc
diff options
context:
space:
mode:
authorJeremy Harris <jgh146exb@wizmail.org>2020-01-11 21:46:43 +0000
committerJeremy Harris <jgh146exb@wizmail.org>2020-01-11 21:46:43 +0000
commit0d2e392e281e96d9f9f2f3dd438affe3f2563c57 (patch)
treed04bae31cf278833de01217f6627f1b8b470ac6c /doc
parent8280aa0c334a7ce06c55df35d9da7a99f79c3568 (diff)
appendfile: taint-enforce file & directory options
testsuite: bless facility
Diffstat (limited to 'doc')
-rw-r--r--doc/doc-docbook/spec.xfpt8
-rw-r--r--doc/doc-txt/ChangeLog3
2 files changed, 11 insertions, 0 deletions
diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index 254ed69cc..bb2ce122c 100644
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -22371,6 +22371,14 @@ If &%file%& or &%directory%& is set for a delivery from a redirection, it is
used to determine the file or directory name for the delivery. Normally, the
contents of &$address_file$& are used in some way in the string expansion.
.endlist
+.new
+.cindex "tainted data" "in filenames"
+.cindex appendfile "tainted data"
+Tainted data may not be used for a file or directory name.
+This means that, for instance, &$local_part$& cannot be used directly
+as a component of a path. It can however be used as the key for a lookup
+which returns a path (or component).
+.wen
.cindex "Sieve filter" "configuring &(appendfile)&"
diff --git a/doc/doc-txt/ChangeLog b/doc/doc-txt/ChangeLog
index 2b5b592c5..27292954a 100644
--- a/doc/doc-txt/ChangeLog
+++ b/doc/doc-txt/ChangeLog
@@ -87,6 +87,9 @@ JH/19 Bug 2507: Modules: on handling a dynamic-module (lookups) open failure,
were used, and the second one (for mainlog/paniclog) retrieved null
information.
+JH/20 Taint checking: disallow use of tainted data for the appendfile transport
+ file and directory options. Previously this was permitted.
+
Exim version 4.93
-----------------