gnu: mcrypt: Fix CVE-2012-4409, CVE-2012-4426, CVE-2012-4527.
* gnu/packages/mcrypt.scm (mcrypt)[source]: Add patches. * gnu/packages/patches/mcrypt-CVE-2012-4409.patch, gnu/packages/patches/mcrypt-CVE-2012-4426.patch, gnu/packages/patches/mcrypt-CVE-2012-4527.patch: New variables. * gnu/local.mk (dist_patch_DATA): Add them.
This commit is contained in:
Efraim Flashner
parent
5ae77a6f5a
commit
fd1461879c
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@ -636,6 +636,9 @@ dist_patch_DATA = \
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%D%/packages/patches/matplotlib-setupext-tk.patch \
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%D%/packages/patches/maxima-defsystem-mkdir.patch \
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%D%/packages/patches/mcron-install.patch \
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%D%/packages/patches/mcrypt-CVE-2012-4409.patch \
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%D%/packages/patches/mcrypt-CVE-2012-4426.patch \
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%D%/packages/patches/mcrypt-CVE-2012-4527.patch \
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%D%/packages/patches/mhash-keygen-test-segfault.patch \
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%D%/packages/patches/mit-krb5-CVE-2015-8629.patch \
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%D%/packages/patches/mit-krb5-CVE-2015-8630.patch \
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@ -1,5 +1,6 @@
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;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2014 Eric Bavier <bavier@member.fsf.org>
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;;; Copyright © 2016 Efraim Flashner <efraim@flashner.co.il>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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@ -36,7 +37,11 @@
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version ".tar.gz"))
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(sha256
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(base32
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"161031n1w9pb4yzz9i47szc12a4mwpcpvyxnvafsik2l9s2aliai"))))
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"161031n1w9pb4yzz9i47szc12a4mwpcpvyxnvafsik2l9s2aliai"))
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(patches (search-patches
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"mcrypt-CVE-2012-4409.patch"
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"mcrypt-CVE-2012-4426.patch"
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"mcrypt-CVE-2012-4527.patch"))))
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(build-system gnu-build-system)
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(inputs
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`(("zlib" ,zlib)
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@ -0,0 +1,33 @@
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From 4876e3a692739bb9ca00d0f500fd5f4b3eb16ce3 Mon Sep 17 00:00:00 2001
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From: Tom Callaway <spot@fedoraproject.org>
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Date: Fri, 7 Sep 2012 11:39:29 -0400
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Subject: apply fix for CVE-2012-4409 (thanks to Raphael Geissert)
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---
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mcrypt-CVE-2012-4409.patch | 12 ++++++++++++
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mcrypt.spec | 10 +++++++++-
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2 files changed, 21 insertions(+), 1 deletion(-)
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create mode 100644 mcrypt-CVE-2012-4409.patch
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diff --git a/mcrypt-CVE-2012-4409.patch b/mcrypt-CVE-2012-4409.patch
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new file mode 100644
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index 0000000..747f428
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--- /dev/null
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+++ b/mcrypt-CVE-2012-4409.patch
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@@ -0,0 +1,12 @@
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+diff -up mcrypt-2.6.8/src/extra.c.CVE-2012-4409 mcrypt-2.6.8/src/extra.c
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+--- mcrypt-2.6.8/src/extra.c.CVE-2012-4409 2012-09-07 11:00:55.906870746 -0400
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++++ mcrypt-2.6.8/src/extra.c 2012-09-07 11:00:27.967858365 -0400
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+@@ -242,6 +242,8 @@ int check_file_head(FILE * fstream, char
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+ if (m_getbit(0, sflag) != 0) { /* if the first bit is set */
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+ *salt_size = m_setbit(0, sflag, 0);
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+ if (*salt_size > 0) {
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++ if (*salt_size > sizeof(tmp_buf))
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++ err_quit(_("Salt is too long\n"));
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+ fread(tmp_buf, 1, *salt_size,
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+ fstream);
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+ memmove(salt, tmp_buf, *salt_size);
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--
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cgit v0.12
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@ -0,0 +1,36 @@
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diff --git a/mcrypt-CVE-2012-4426.patch b/mcrypt-CVE-2012-4426.patch
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new file mode 100644
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index 0000000..747f428
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--- mcrypt-2.6.8/src/errors.c
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+++ mcrypt-2.6.8/src/errors.c
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@@ -25,24 +25,24 @@
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void err_quit(char *errmsg)
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{
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- fprintf(stderr, errmsg);
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+ fprintf(stderr, "%s", errmsg);
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exit(-1);
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}
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void err_warn(char *errmsg)
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{
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if (quiet <= 1)
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- fprintf(stderr, errmsg);
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+ fprintf(stderr, "%s", errmsg);
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}
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void err_info(char *errmsg)
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{
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if (quiet == 0)
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- fprintf(stderr, errmsg);
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+ fprintf(stderr, "%s", errmsg);
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}
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void err_crit(char *errmsg)
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{
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if (quiet <= 2)
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- fprintf(stderr, errmsg);
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+ fprintf(stderr, "%s", errmsg);
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}
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---
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@ -0,0 +1,111 @@
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From b0716eac4e800a0ea53e1b949250f671702f28a0 Mon Sep 17 00:00:00 2001
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From: Tom Callaway <spot@fedoraproject.org>
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Date: Tue, 30 Oct 2012 15:39:24 -0400
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Subject: apply workaround to CVE-2012-4527
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---
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mcrypt-CVE-2012-4527-80-width-patch | 91 +++++++++++++++++++++++++++++++++++++
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mcrypt.spec | 10 +++-
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2 files changed, 100 insertions(+), 1 deletion(-)
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create mode 100644 mcrypt-CVE-2012-4527-80-width-patch
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diff --git a/mcrypt-CVE-2012-4527-80-width-patch b/mcrypt-CVE-2012-4527-80-width-patch
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new file mode 100644
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index 0000000..0eb94d8
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--- /dev/null
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+++ b/mcrypt-CVE-2012-4527-80-width-patch
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@@ -0,0 +1,91 @@
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+--- mcrypt-2.6.8.orig/src/mcrypt.c
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++++ mcrypt-2.6.8/src/mcrypt.c
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+@@ -41,6 +41,8 @@
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+ # include <time.h>
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+ #endif
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+
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++#define WIDTH 80
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++
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+ static char rcsid[] =
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+ "$Id: mcrypt.c,v 1.2 2007/11/07 17:10:21 nmav Exp $";
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+
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+@@ -482,7 +484,7 @@
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+ #ifdef HAVE_STAT
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+ if (stream_flag == FALSE) {
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+ if (is_normal_file(file[i]) == FALSE) {
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+- sprintf(tmperr,
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++ snprintf(tmperr, WIDTH,
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+ _
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+ ("%s: %s is not a regular file. Skipping...\n"),
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+ program_name, file[i]);
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+@@ -501,7 +503,7 @@
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+ dinfile = file[i];
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+ if ((isatty(fileno((FILE *) (stdin))) == 1)
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+ && (stream_flag == TRUE) && (force == 0)) { /* not a tty */
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+- sprintf(tmperr,
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++ snprintf(tmperr, WIDTH,
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+ _
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+ ("%s: Encrypted data will not be read from a terminal.\n"),
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+ program_name);
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+@@ -520,7 +522,7 @@
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+ einfile = file[i];
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+ if ((isatty(fileno((FILE *) (stdout))) == 1)
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+ && (stream_flag == TRUE) && (force == 0)) { /* not a tty */
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+- sprintf(tmperr,
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++ snprintf(tmperr, WIDTH,
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+ _
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+ ("%s: Encrypted data will not be written to a terminal.\n"),
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+ program_name);
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+@@ -544,7 +546,7 @@
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+ strcpy(outfile, einfile);
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+ /* if file has already the .nc ignore it */
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+ if (strstr(outfile, ".nc") != NULL) {
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+- sprintf(tmperr,
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++ snprintf(tmperr, WIDTH,
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+ _
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+ ("%s: file %s has the .nc suffix... skipping...\n"),
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+ program_name, outfile);
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+@@ -590,10 +592,10 @@
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+
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+ if (x == 0) {
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+ if (stream_flag == FALSE) {
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+- sprintf(tmperr, _("File %s was decrypted.\n"), dinfile);
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++ snprintf(tmperr, WIDTH, _("File %s was decrypted.\n"), dinfile);
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+ err_warn(tmperr);
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+ } else {
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+- sprintf(tmperr, _("Stdin was decrypted.\n"));
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++ snprintf(tmperr, WIDTH, _("Stdin was decrypted.\n"));
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+ err_warn(tmperr);
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+ }
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+ #ifdef HAVE_STAT
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+@@ -610,7 +612,7 @@
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+
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+ } else {
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+ if (stream_flag == FALSE) {
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+- sprintf(tmperr,
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++ snprintf(tmperr, WIDTH,
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+ _
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+ ("File %s was NOT decrypted successfully.\n"),
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+ dinfile);
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+@@ -636,10 +638,10 @@
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+
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+ if (x == 0) {
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+ if (stream_flag == FALSE) {
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+- sprintf(tmperr, _("File %s was encrypted.\n"), einfile);
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++ snprintf(tmperr, WIDTH, _("File %s was encrypted.\n"), einfile);
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+ err_warn(tmperr);
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+ } else {
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+- sprintf(tmperr, _("Stdin was encrypted.\n"));
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++ snprintf(tmperr, WIDTH, _("Stdin was encrypted.\n"));
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+ err_warn(tmperr);
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+ }
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+ #ifdef HAVE_STAT
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+@@ -655,7 +657,7 @@
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+
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+ } else {
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+ if (stream_flag == FALSE) {
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+- sprintf(tmperr,
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++ snprintf(tmperr, WIDTH,
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+ _
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+ ("File %s was NOT encrypted successfully.\n"),
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+ einfile);
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--
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cgit v0.12
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