guix-play/gnu/packages/patches/mcrypt-CVE-2012-4527.patch
Efraim Flashner fd1461879c
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.
2016-05-30 21:57:36 +03:00

112 lines
3.4 KiB
Diff

From b0716eac4e800a0ea53e1b949250f671702f28a0 Mon Sep 17 00:00:00 2001
From: Tom Callaway <spot@fedoraproject.org>
Date: Tue, 30 Oct 2012 15:39:24 -0400
Subject: apply workaround to CVE-2012-4527
---
mcrypt-CVE-2012-4527-80-width-patch | 91 +++++++++++++++++++++++++++++++++++++
mcrypt.spec | 10 +++-
2 files changed, 100 insertions(+), 1 deletion(-)
create mode 100644 mcrypt-CVE-2012-4527-80-width-patch
diff --git a/mcrypt-CVE-2012-4527-80-width-patch b/mcrypt-CVE-2012-4527-80-width-patch
new file mode 100644
index 0000000..0eb94d8
--- /dev/null
+++ b/mcrypt-CVE-2012-4527-80-width-patch
@@ -0,0 +1,91 @@
+--- mcrypt-2.6.8.orig/src/mcrypt.c
++++ mcrypt-2.6.8/src/mcrypt.c
+@@ -41,6 +41,8 @@
+ # include <time.h>
+ #endif
+
++#define WIDTH 80
++
+ static char rcsid[] =
+ "$Id: mcrypt.c,v 1.2 2007/11/07 17:10:21 nmav Exp $";
+
+@@ -482,7 +484,7 @@
+ #ifdef HAVE_STAT
+ if (stream_flag == FALSE) {
+ if (is_normal_file(file[i]) == FALSE) {
+- sprintf(tmperr,
++ snprintf(tmperr, WIDTH,
+ _
+ ("%s: %s is not a regular file. Skipping...\n"),
+ program_name, file[i]);
+@@ -501,7 +503,7 @@
+ dinfile = file[i];
+ if ((isatty(fileno((FILE *) (stdin))) == 1)
+ && (stream_flag == TRUE) && (force == 0)) { /* not a tty */
+- sprintf(tmperr,
++ snprintf(tmperr, WIDTH,
+ _
+ ("%s: Encrypted data will not be read from a terminal.\n"),
+ program_name);
+@@ -520,7 +522,7 @@
+ einfile = file[i];
+ if ((isatty(fileno((FILE *) (stdout))) == 1)
+ && (stream_flag == TRUE) && (force == 0)) { /* not a tty */
+- sprintf(tmperr,
++ snprintf(tmperr, WIDTH,
+ _
+ ("%s: Encrypted data will not be written to a terminal.\n"),
+ program_name);
+@@ -544,7 +546,7 @@
+ strcpy(outfile, einfile);
+ /* if file has already the .nc ignore it */
+ if (strstr(outfile, ".nc") != NULL) {
+- sprintf(tmperr,
++ snprintf(tmperr, WIDTH,
+ _
+ ("%s: file %s has the .nc suffix... skipping...\n"),
+ program_name, outfile);
+@@ -590,10 +592,10 @@
+
+ if (x == 0) {
+ if (stream_flag == FALSE) {
+- sprintf(tmperr, _("File %s was decrypted.\n"), dinfile);
++ snprintf(tmperr, WIDTH, _("File %s was decrypted.\n"), dinfile);
+ err_warn(tmperr);
+ } else {
+- sprintf(tmperr, _("Stdin was decrypted.\n"));
++ snprintf(tmperr, WIDTH, _("Stdin was decrypted.\n"));
+ err_warn(tmperr);
+ }
+ #ifdef HAVE_STAT
+@@ -610,7 +612,7 @@
+
+ } else {
+ if (stream_flag == FALSE) {
+- sprintf(tmperr,
++ snprintf(tmperr, WIDTH,
+ _
+ ("File %s was NOT decrypted successfully.\n"),
+ dinfile);
+@@ -636,10 +638,10 @@
+
+ if (x == 0) {
+ if (stream_flag == FALSE) {
+- sprintf(tmperr, _("File %s was encrypted.\n"), einfile);
++ snprintf(tmperr, WIDTH, _("File %s was encrypted.\n"), einfile);
+ err_warn(tmperr);
+ } else {
+- sprintf(tmperr, _("Stdin was encrypted.\n"));
++ snprintf(tmperr, WIDTH, _("Stdin was encrypted.\n"));
+ err_warn(tmperr);
+ }
+ #ifdef HAVE_STAT
+@@ -655,7 +657,7 @@
+
+ } else {
+ if (stream_flag == FALSE) {
+- sprintf(tmperr,
++ snprintf(tmperr, WIDTH,
+ _
+ ("File %s was NOT encrypted successfully.\n"),
+ einfile);
--
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