Package: guix-patches;
Reported by: Leo Famulari <leo <at> famulari.name>
Date: Mon, 6 Apr 2020 17:50:01 UTC
Severity: normal
Tags: patch
Done: Leo Famulari <leo <at> famulari.name>
Bug is archived. No further changes may be made.
View this message in rfc822 format
From: Leo Famulari <leo <at> famulari.name> To: 40475 <at> debbugs.gnu.org Subject: [bug#40475] [PATCH] gnu: GnuTLS: Fix CVE-2020-11501. Date: Mon, 6 Apr 2020 13:48:39 -0400
* gnu/packages/patches/gnutls-CVE-2020-11501.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/tls.scm (gnutls)[replacement]: New field.
(gnutls/fixed): New variable.
(gnutls/guile-2.0, gnutls/dane, gnutls-3.6.10, gnutls3.0-gnutls): Use
PACKAGE/INHERIT.
---
gnu/local.mk | 1 +
.../patches/gnutls-CVE-2020-11501.patch | 41 +++++++++++++++++++
gnu/packages/tls.scm | 21 ++++++----
3 files changed, 55 insertions(+), 8 deletions(-)
create mode 100644 gnu/packages/patches/gnutls-CVE-2020-11501.patch
diff --git a/gnu/local.mk b/gnu/local.mk
index 77f9de2440..9953754398 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -983,6 +983,7 @@ dist_patch_DATA = \
%D%/packages/patches/gnome-tweaks-search-paths.patch \
%D%/packages/patches/gnupg-default-pinentry.patch \
%D%/packages/patches/gnutls-skip-trust-store-test.patch \
+ %D%/packages/patches/gnutls-CVE-2020-11501.patch \
%D%/packages/patches/gobject-introspection-absolute-shlib-path.patch \
%D%/packages/patches/gobject-introspection-cc.patch \
%D%/packages/patches/gobject-introspection-girepository.patch \
diff --git a/gnu/packages/patches/gnutls-CVE-2020-11501.patch b/gnu/packages/patches/gnutls-CVE-2020-11501.patch
new file mode 100644
index 0000000000..0d84b7d082
--- /dev/null
+++ b/gnu/packages/patches/gnutls-CVE-2020-11501.patch
@@ -0,0 +1,41 @@
+Fix CVE-2020-11501:
+
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11501
+https://gitlab.com/gnutls/gnutls/issues/960
+
+Patch copied from upstream source repository:
+
+https://gitlab.com/gnutls/gnutls/commit/c01011c2d8533dbbbe754e49e256c109cb848d0d
+
+From c01011c2d8533dbbbe754e49e256c109cb848d0d Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Stefan=20B=C3=BChler?= <stbuehler <at> web.de>
+Date: Fri, 27 Mar 2020 17:17:57 +0100
+Subject: [PATCH] dtls client hello: fix zeroed random (fixes #960)
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+This broke with bcf4de03 "handshake: treat reply to HRR as a reply to
+hello verify request", which failed to "De Morgan" properly.
+
+Signed-off-by: Stefan Bühler <stbuehler <at> web.de>
+---
+ lib/handshake.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/lib/handshake.c b/lib/handshake.c
+index 5739df213..84a0e5210 100644
+--- a/lib/handshake.c
++++ b/lib/handshake.c
+@@ -2167,7 +2167,7 @@ static int send_client_hello(gnutls_session_t session, int again)
+ /* Generate random data
+ */
+ if (!(session->internals.hsk_flags & HSK_HRR_RECEIVED) &&
+- !(IS_DTLS(session) && session->internals.dtls.hsk_hello_verify_requests == 0)) {
++ !(IS_DTLS(session) && session->internals.dtls.hsk_hello_verify_requests != 0)) {
+ ret = _gnutls_gen_client_random(session);
+ if (ret < 0) {
+ gnutls_assert();
+--
+2.26.0
+
diff --git a/gnu/packages/tls.scm b/gnu/packages/tls.scm
index bb80d86ba4..743d80a80f 100644
--- a/gnu/packages/tls.scm
+++ b/gnu/packages/tls.scm
@@ -162,6 +162,7 @@ living in the same process.")
(define-public gnutls
(package
(name "gnutls")
+ (replacement gnutls/fixed)
(version "3.6.9")
(source (origin
(method url-fetch)
@@ -244,10 +245,17 @@ required structures.")
(properties '((ftp-server . "ftp.gnutls.org")
(ftp-directory . "/gcrypt/gnutls")))))
-(define-public gnutls/guile-2.0
- ;; GnuTLS for Guile 2.0.
+(define gnutls/fixed
(package
(inherit gnutls)
+ (source (origin
+ (inherit (package-source gnutls))
+ (patches (append (origin-patches (package-source gnutls))
+ (search-patches "gnutls-CVE-2020-11501.patch")))))))
+
+(define-public gnutls/guile-2.0
+ ;; GnuTLS for Guile 2.0.
+ (package/inherit gnutls
(name "guile2.0-gnutls")
(inputs `(("guile" ,guile-2.0)
,@(alist-delete "guile" (package-inputs gnutls))))))
@@ -257,8 +265,7 @@ required structures.")
;; Authentication of Named Entities. This is required for GNS functionality
;; by GNUnet and gnURL. This is done in an extra package definition
;; to have the choice between GnuTLS with Dane and without Dane.
- (package
- (inherit gnutls)
+ (package/inherit gnutls
(name "gnutls-dane")
(inputs `(("unbound" ,unbound)
,@(package-inputs gnutls)))))
@@ -266,8 +273,7 @@ required structures.")
(define gnutls-3.6.10
;; This is for 'guile3.0-gnutls', below. Version 3.6.10 is the first to
;; introduce Guile 2.9/3.0 support.
- (package
- (inherit gnutls)
+ (package/inherit gnutls
(version "3.6.10")
(source (origin
(inherit (package-source gnutls))
@@ -286,8 +292,7 @@ required structures.")
("util-linux" ,util-linux)))))
(define-public guile3.0-gnutls
- (package
- (inherit gnutls-3.6.10)
+ (package/inherit gnutls-3.6.10
(name "guile3.0-gnutls")
(arguments
(substitute-keyword-arguments (package-arguments gnutls-3.6.10)
--
2.26.0
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Copyright (C) 1999 Darren O. Benham,
1997,2003 nCipher Corporation Ltd,
1994-97 Ian Jackson.