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gnu: mcrypt: Fix patches for CVE-2012-{4409,4527}.

This fixes CVE-2012-{4409,4527}.

This is a followup to commit fd1461879c.

* gnu/packages/patches/mcrypt-CVE-2012-4409.patch,
gnu/packages/patches/mcrypt-CVE-2012-4527.patch: Apply the patches to the mcrypt
source code.
wip-gexp-grafts
Leo Famulari 6 years ago
parent
commit
324f4fc559
No known key found for this signature in database GPG Key ID: 2646FA30BACA7F08
  1. 35
      gnu/packages/patches/mcrypt-CVE-2012-4409.patch
  2. 198
      gnu/packages/patches/mcrypt-CVE-2012-4527.patch

35
gnu/packages/patches/mcrypt-CVE-2012-4409.patch

@ -3,30 +3,17 @@ From: Tom Callaway <spot@fedoraproject.org>
Date: Fri, 7 Sep 2012 11:39:29 -0400
Subject: apply fix for CVE-2012-4409 (thanks to Raphael Geissert)
---
mcrypt-CVE-2012-4409.patch | 12 ++++++++++++
mcrypt.spec | 10 +++++++++-
2 files changed, 21 insertions(+), 1 deletion(-)
create mode 100644 mcrypt-CVE-2012-4409.patch
diff --git a/mcrypt-CVE-2012-4409.patch b/mcrypt-CVE-2012-4409.patch
new file mode 100644
index 0000000..747f428
--- /dev/null
+++ b/mcrypt-CVE-2012-4409.patch
@@ -0,0 +1,12 @@
+diff -up mcrypt-2.6.8/src/extra.c.CVE-2012-4409 mcrypt-2.6.8/src/extra.c
+--- mcrypt-2.6.8/src/extra.c.CVE-2012-4409 2012-09-07 11:00:55.906870746 -0400
++++ mcrypt-2.6.8/src/extra.c 2012-09-07 11:00:27.967858365 -0400
+@@ -242,6 +242,8 @@ int check_file_head(FILE * fstream, char
+ if (m_getbit(0, sflag) != 0) { /* if the first bit is set */
+ *salt_size = m_setbit(0, sflag, 0);
+ if (*salt_size > 0) {
++ if (*salt_size > sizeof(tmp_buf))
++ err_quit(_("Salt is too long\n"));
+ fread(tmp_buf, 1, *salt_size,
+ fstream);
+ memmove(salt, tmp_buf, *salt_size);
--- mcrypt-2.6.8/src/extra.c.CVE-2012-4409 2012-09-07 11:00:55.906870746 -0400
+++ mcrypt-2.6.8/src/extra.c 2012-09-07 11:00:27.967858365 -0400
@@ -242,6 +242,8 @@ int check_file_head(FILE * fstream, char
if (m_getbit(0, sflag) != 0) { /* if the first bit is set */
*salt_size = m_setbit(0, sflag, 0);
if (*salt_size > 0) {
+ if (*salt_size > sizeof(tmp_buf))
+ err_quit(_("Salt is too long\n"));
fread(tmp_buf, 1, *salt_size,
fstream);
memmove(salt, tmp_buf, *salt_size);
--
cgit v0.12

198
gnu/packages/patches/mcrypt-CVE-2012-4527.patch

@ -3,109 +3,97 @@ 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);
--
cgit v0.12
--- 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);
-
git v0.12

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