[bug#28256] [PATCH] gnu: libgcrypt: Replace with libgcrypt 1.7.9 [fixes CVE-2017-0379].

[Leo Famulari]

* gnu/packages/gnupg.scm (libgcrypt)[replacement]: New field.
(libgcrypt-1.7.9): New variable.
---
 gnu/packages/gnupg.scm | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/gnu/packages/gnupg.scm b/gnu/packages/gnupg.scm
index fd850c046..a039e530f 100644
--- a/gnu/packages/gnupg.scm
+++ b/gnu/packages/gnupg.scm
@@ -82,6 +82,7 @@ Daemon and possibly more in the future.")
 (define-public libgcrypt
   (package
     (name "libgcrypt")
+    (replacement libgcrypt-1.7.9)
     (version "1.7.8")
     (source (origin
              (method url-fetch)
@@ -115,6 +116,19 @@ generation.")
     (properties '((ftp-server . "ftp.gnupg.org")
                   (ftp-directory . "/gcrypt/libgcrypt")))))
 
+;; Fixes CVE-2017-0379
+(define libgcrypt-1.7.9
+  (package
+    (inherit libgcrypt)
+    (version "1.7.9")
+    (source (origin
+             (method url-fetch)
+             (uri (string-append "mirror://gnupg/libgcrypt/libgcrypt-"
+                                 version ".tar.bz2"))
+             (sha256
+              (base32
+               "0frpm4zxqr905ihp37wn8sfz1hir6390z0d2gmjc69hi7iqbpsdz"))))))
+
 (define-public libassuan
   (package
     (name "libassuan")
-- 
2.14.1