diff options
Diffstat (limited to 'gnu')
| -rw-r--r-- | gnu/local.mk | 1 | ||||
| -rw-r--r-- | gnu/packages/patches/libssh-0.6.5-CVE-2016-0739.patch | 77 |
2 files changed, 0 insertions, 78 deletions
diff --git a/gnu/local.mk b/gnu/local.mk index 515b154b9a..0538601734 100644 --- a/gnu/local.mk +++ b/gnu/local.mk @@ -692,7 +692,6 @@ dist_patch_DATA = \ %D%/packages/patches/libmad-frame-length.patch \ %D%/packages/patches/libmad-mips-newgcc.patch \ %D%/packages/patches/libpng-CVE-2016-10087.patch \ - %D%/packages/patches/libssh-0.6.5-CVE-2016-0739.patch \ %D%/packages/patches/libtar-CVE-2013-4420.patch \ %D%/packages/patches/libtheora-config-guess.patch \ %D%/packages/patches/libtiff-CVE-2016-10092.patch \ diff --git a/gnu/packages/patches/libssh-0.6.5-CVE-2016-0739.patch b/gnu/packages/patches/libssh-0.6.5-CVE-2016-0739.patch deleted file mode 100644 index a5fdd7ffff..0000000000 --- a/gnu/packages/patches/libssh-0.6.5-CVE-2016-0739.patch +++ /dev/null @@ -1,77 +0,0 @@ -Fix CVE-2016-0739 (Weak Diffie-Hellman secret generation in -dh_generate_x() and dh_generate_y()). - -"Due to a byte/bit confusion, the DH secret was too short. This file was -completely reworked and will be commited in a future version." -Source: -https://git.libssh.org/projects/libssh.git/commit/?id=f8d0026c65fc8a55748ae481758e2cf376c26c86 - -This patch was created by upstream for libssh-0.7.3, but applied without -modification to libssh-0.6.3 by Debian. In Guix, we apply it without -modification to libssh-0.6.5. - -References: -https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-0739 -https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-0739 -https://security-tracker.debian.org/tracker/CVE-2016-0739 - ---- - src/dh.c | 22 +++++++++++++++++----- - 1 file changed, 17 insertions(+), 5 deletions(-) - -diff --git a/src/dh.c b/src/dh.c -index e489a1d..d27b66e 100644 ---- a/src/dh.c -+++ b/src/dh.c -@@ -227,15 +227,21 @@ void ssh_crypto_finalize(void) { - } - - int dh_generate_x(ssh_session session) { -+ int keysize; -+ if (session->next_crypto->kex_type == SSH_KEX_DH_GROUP1_SHA1) { -+ keysize = 1023; -+ } else { -+ keysize = 2047; -+ } - session->next_crypto->x = bignum_new(); - if (session->next_crypto->x == NULL) { - return -1; - } - - #ifdef HAVE_LIBGCRYPT -- bignum_rand(session->next_crypto->x, 128); -+ bignum_rand(session->next_crypto->x, keysize); - #elif defined HAVE_LIBCRYPTO -- bignum_rand(session->next_crypto->x, 128, 0, -1); -+ bignum_rand(session->next_crypto->x, keysize, -1, 0); - #endif - - /* not harder than this */ -@@ -248,15 +254,21 @@ int dh_generate_x(ssh_session session) { - - /* used by server */ - int dh_generate_y(ssh_session session) { -- session->next_crypto->y = bignum_new(); -+ int keysize; -+ if (session->next_crypto->kex_type == SSH_KEX_DH_GROUP1_SHA1) { -+ keysize = 1023; -+ } else { -+ keysize = 2047; -+ } -+ session->next_crypto->y = bignum_new(); - if (session->next_crypto->y == NULL) { - return -1; - } - - #ifdef HAVE_LIBGCRYPT -- bignum_rand(session->next_crypto->y, 128); -+ bignum_rand(session->next_crypto->y, keysize); - #elif defined HAVE_LIBCRYPTO -- bignum_rand(session->next_crypto->y, 128, 0, -1); -+ bignum_rand(session->next_crypto->y, keysize, -1, 0); - #endif - - /* not harder than this */ --- -cgit v0.12 - |