~ruther/guix-local

43686dcb2f99b2700255de7f4eedd608f6847078 — Leo Famulari 9 years ago 307349f
gnu: openssh: Update to 7.4p1.

* gnu/packages/ssh.scm (openssh): Update to 7.4p1.
[source]: Remove 'openssh-memory-exhaustion.patch'.
* gnu/packages/patches/openssh-memory-exhaustion.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Remove it.
3 files changed, 2 insertions(+), 43 deletions(-)

M gnu/local.mk
D gnu/packages/patches/openssh-memory-exhaustion.patch
M gnu/packages/ssh.scm
M gnu/local.mk => gnu/local.mk +0 -1
@@ 752,7 752,6 @@ dist_patch_DATA =						\
  %D%/packages/patches/openjpeg-CVE-2016-9850-CVE-2016-9851.patch		\
  %D%/packages/patches/openjpeg-use-after-free-fix.patch	\
  %D%/packages/patches/openocd-nrf52.patch			\
  %D%/packages/patches/openssh-memory-exhaustion.patch		\
  %D%/packages/patches/openssl-runpath.patch			\
  %D%/packages/patches/openssl-1.1.0-c-rehash-in.patch		\
  %D%/packages/patches/openssl-c-rehash-in.patch		\

D gnu/packages/patches/openssh-memory-exhaustion.patch => gnu/packages/patches/openssh-memory-exhaustion.patch +0 -39
@@ 1,39 0,0 @@
Fix a memory exhaustion bug in the key exchange, whereby an unauthenticated user
could potentially consume 38400 MB of memory on the server:

http://seclists.org/oss-sec/2016/q4/185

Patch adapted from upstream source repository:

https://github.com/openssh/openssh-portable/commit/ec165c392ca54317dbe3064a8c200de6531e89ad

From ec165c392ca54317dbe3064a8c200de6531e89ad Mon Sep 17 00:00:00 2001
From: "markus@openbsd.org" <markus@openbsd.org>
Date: Mon, 10 Oct 2016 19:28:48 +0000
Subject: [PATCH] upstream commit

Unregister the KEXINIT handler after message has been
received. Otherwise an unauthenticated peer can repeat the KEXINIT and cause
allocation of up to 128MB -- until the connection is closed. Reported by
shilei-c at 360.cn

Upstream-ID: 43649ae12a27ef94290db16d1a98294588b75c05
---
 kex.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kex.c b/kex.c
index 3f97f8c..6a94bc5 100644
--- a/kex.c
+++ b/kex.c
@@ -481,6 +481,7 @@ kex_input_kexinit(int type, u_int32_t seq, void *ctxt)
 	if (kex == NULL)
 		return SSH_ERR_INVALID_ARGUMENT;
 
+	ssh_dispatch_set(ssh, SSH2_MSG_KEXINIT, NULL);
 	ptr = sshpkt_ptr(ssh, &dlen);
 	if ((r = sshbuf_put(kex->peer, ptr, dlen)) != 0)
 		return r;
-- 
2.10.1


M gnu/packages/ssh.scm => gnu/packages/ssh.scm +2 -3
@@ 112,7 112,7 @@ a server that supports the SSH-2 protocol.")
(define-public openssh
  (package
   (name "openssh")
   (version "7.3p1")
   (version "7.4p1")
   (source (origin
            (method url-fetch)
            (uri (let ((tail (string-append name "-" version ".tar.gz")))


@@ 122,9 122,8 @@ a server that supports the SSH-2 protocol.")
                                        tail)
                         (string-append "http://ftp2.fr.openbsd.org/pub/OpenBSD/OpenSSH/portable/"
                                        tail))))
            (patches (search-patches "openssh-memory-exhaustion.patch"))
            (sha256 (base32
                     "1k5y1wi29d47cgizbryxrhc1fbjsba2x8l5mqfa9b9nadnd9iyrz"))))
                     "1l8r3x4fr2kb6xm95s7kjdif1wp6f94d4kljh4qjj9109shw87qv"))))
   (build-system gnu-build-system)
   (inputs `(("groff" ,groff)
             ("openssl" ,openssl)