mirror of
git://slackware.nl/current.git
synced 2024-12-30 10:24:23 +01:00
646a5c1cbf
a/pkgtools-15.0-noarch-13.txz: Rebuilt. installpkg: default line length for --terselength is the number of columns. removepkg: added --terse mode. upgradepkg: default line length for --terselength is the number of columns. upgradepkg: accept -option in addition to --option. ap/vim-8.1.0026-x86_64-1.txz: Upgraded. d/bison-3.0.5-x86_64-1.txz: Upgraded. e/emacs-26.1-x86_64-1.txz: Upgraded. kde/kopete-4.14.3-x86_64-8.txz: Rebuilt. Recompiled against libidn-1.35. n/conntrack-tools-1.4.5-x86_64-1.txz: Upgraded. n/libnetfilter_conntrack-1.0.7-x86_64-1.txz: Upgraded. n/libnftnl-1.1.0-x86_64-1.txz: Upgraded. n/links-2.16-x86_64-2.txz: Rebuilt. Rebuilt to enable X driver for -g mode. n/lynx-2.8.9dev.19-x86_64-1.txz: Upgraded. n/nftables-0.8.5-x86_64-1.txz: Upgraded. n/p11-kit-0.23.11-x86_64-1.txz: Upgraded. n/ulogd-2.0.7-x86_64-1.txz: Upgraded. n/whois-5.3.1-x86_64-1.txz: Upgraded. xap/network-manager-applet-1.8.12-x86_64-1.txz: Upgraded. xap/vim-gvim-8.1.0026-x86_64-1.txz: Upgraded.
58 lines
1.9 KiB
Diff
58 lines
1.9 KiB
Diff
From 898e3a8c8c0314d2e6b106809a8e3e93cf9d4394 Mon Sep 17 00:00:00 2001
|
|
From: Ignacio Casal Quinteiro <qignacio@amazon.com>
|
|
Date: Sun, 16 Apr 2017 13:13:43 +0200
|
|
Subject: input: check end of input before reading a byte
|
|
|
|
When reading bytes we weren't check that the index wasn't
|
|
out of bound and this could produce an invalid read which
|
|
could deal to a security bug.
|
|
---
|
|
src/cr-input.c | 11 +++++++++--
|
|
1 file changed, 9 insertions(+), 2 deletions(-)
|
|
|
|
diff --git a/src/cr-input.c b/src/cr-input.c
|
|
index 49000b1..3b63a88 100644
|
|
--- a/src/cr-input.c
|
|
+++ b/src/cr-input.c
|
|
@@ -256,7 +256,7 @@ cr_input_new_from_uri (const gchar * a_file_uri, enum CREncoding a_enc)
|
|
*we should free buf here because it's own by CRInput.
|
|
*(see the last parameter of cr_input_new_from_buf().
|
|
*/
|
|
- buf = NULL ;
|
|
+ buf = NULL;
|
|
}
|
|
|
|
cleanup:
|
|
@@ -404,6 +404,8 @@ cr_input_get_nb_bytes_left (CRInput const * a_this)
|
|
enum CRStatus
|
|
cr_input_read_byte (CRInput * a_this, guchar * a_byte)
|
|
{
|
|
+ gulong nb_bytes_left = 0;
|
|
+
|
|
g_return_val_if_fail (a_this && PRIVATE (a_this)
|
|
&& a_byte, CR_BAD_PARAM_ERROR);
|
|
|
|
@@ -413,6 +415,12 @@ cr_input_read_byte (CRInput * a_this, guchar * a_byte)
|
|
if (PRIVATE (a_this)->end_of_input == TRUE)
|
|
return CR_END_OF_INPUT_ERROR;
|
|
|
|
+ nb_bytes_left = cr_input_get_nb_bytes_left (a_this);
|
|
+
|
|
+ if (nb_bytes_left < 1) {
|
|
+ return CR_END_OF_INPUT_ERROR;
|
|
+ }
|
|
+
|
|
*a_byte = PRIVATE (a_this)->in_buf[PRIVATE (a_this)->next_byte_index];
|
|
|
|
if (PRIVATE (a_this)->nb_bytes -
|
|
@@ -477,7 +485,6 @@ cr_input_read_char (CRInput * a_this, guint32 * a_char)
|
|
if (*a_char == '\n') {
|
|
PRIVATE (a_this)->end_of_line = TRUE;
|
|
}
|
|
-
|
|
}
|
|
|
|
return status;
|
|
--
|
|
cgit v0.12
|
|
|