3 files changed, 18 insertions, 3 deletions

diff --git a/lisp/gnus/ChangeLog b/lisp/gnus/ChangeLog
index 95e8bff4d16..196c0e6ff71 100644
--- a/lisp/gnus/ChangeLog
+++ b/lisp/gnus/ChangeLog
@@ -1,3 +1,10 @@
+2006-11-18  Andreas Seltenreich  <uwi7@rz.uni-karlsruhe.de>
+
+        * mm-uu.el (mm-uu-pgp-signed-extract-1): Make last fix more thorough
+        and comment it.
+
+        * nnslashdot.el (nnslashdot-retrieve-headers-1): Update regexp.
+
 2006-11-15  Reiner Steib  <Reiner.Steib@gmx.de>
 
         * gnus-util.el (gnus-extract-address-components): Improve comment.
diff --git a/lisp/gnus/mm-uu.el b/lisp/gnus/mm-uu.el
index b1ed0b7af4e..311dce0d1b2 100644
--- a/lisp/gnus/mm-uu.el
+++ b/lisp/gnus/mm-uu.el
@@ -373,8 +373,16 @@ Return that buffer."
            mm-security-handle 'gnus-details
            (format "Clear verification not supported by `%s'.\n" mml2015-use))))
       (goto-char (point-min))
-      (if (re-search-forward "\n[\t ]*\n" nil t)
-          (delete-region (point-min) (point)))
+      (forward-line)
+      ;; We need to be careful not to strip beyond the armor headers.
+      ;; Previously, an attacker could replace the text inside our
+      ;; markup with trailing garbage by injecting whitespace into the
+      ;; message.
+      (while (looking-at "Hash:") ; The only header allowed in cleartext
+        (forward-line))           ; signatures according to RFC2440.
+      (when (looking-at "[\t ]*$")
+        (forward-line))
+      (delete-region (point-min) (point))
       (if (re-search-forward mm-uu-pgp-beginning-signature nil t)
           (delete-region (match-beginning 0) (point-max)))
       (goto-char (point-min))
diff --git a/lisp/gnus/nnslashdot.el b/lisp/gnus/nnslashdot.el
index 37ecaf0f32b..0b19fd0ead6 100644
--- a/lisp/gnus/nnslashdot.el
+++ b/lisp/gnus/nnslashdot.el
@@ -142,7 +142,7 @@
           (setq article (if (and article (< start article)) article start))
           (goto-char point)
           (while (re-search-forward
-                  "<a name=\"\\([0-9]+\\)\">\\([^<]+\\)</a>.*\n.*\n.*score:\\([^)]+\\))"
+                  "<a name=\"\\([0-9]+\\)\">\\([^<]+\\)\\(?:.*\n\\)\\{2,10\\}.*score:\\([^)]+\\))"
                   nil t)
             (setq cid (match-string 1)
                   subject (match-string 2)