2.25.2-2: CVE-2014-9114
This commit is contained in:
Karel Zak
parent
89d447eb6c
commit
34a74aadf6
126
2.26-libblkid-escape.patch
Normal file
126
2.26-libblkid-escape.patch
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@ -0,0 +1,126 @@
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diff -up util-linux-2.25.2/include/carefulputc.h.kzak util-linux-2.25.2/include/carefulputc.h
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--- util-linux-2.25.2/include/carefulputc.h.kzak 2014-10-24 11:21:20.309387887 +0200
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+++ util-linux-2.25.2/include/carefulputc.h 2014-11-27 14:25:52.814604767 +0100
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@@ -38,6 +38,8 @@ static inline void fputs_quoted(const ch
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for (p = data; p && *p; p++) {
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if ((unsigned char) *p == 0x22 || /* " */
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(unsigned char) *p == 0x5c || /* \ */
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+ (unsigned char) *p == 0x60 || /* ` */
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+ (unsigned char) *p == 0x24 || /* $ */
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!isprint((unsigned char) *p) ||
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iscntrl((unsigned char) *p)) {
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diff -up util-linux-2.25.2/libblkid/src/read.c.kzak util-linux-2.25.2/libblkid/src/read.c
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--- util-linux-2.25.2/libblkid/src/read.c.kzak 2014-09-16 14:37:06.147551766 +0200
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+++ util-linux-2.25.2/libblkid/src/read.c 2014-11-27 14:26:02.848721993 +0100
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@@ -252,15 +252,30 @@ static int parse_token(char **name, char
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*value = skip_over_blank(*value + 1);
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if (**value == '"') {
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- end = strchr(*value + 1, '"');
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- if (!end) {
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+ char *p = end = *value + 1;
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+
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+ /* convert 'foo\"bar' to 'foo"bar' */
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+ while (*p) {
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+ if (*p == '\\') {
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+ p++;
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+ *end = *p;
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+ } else {
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+ *end = *p;
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+ if (*p == '"')
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+ break;
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+ }
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+ p++;
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+ end++;
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+ }
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+
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+ if (*end != '"') {
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DBG(READ, ul_debug("unbalanced quotes at: %s", *value));
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*cp = *value;
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return -BLKID_ERR_CACHE;
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}
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(*value)++;
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*end = '\0';
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- end++;
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+ end = ++p;
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} else {
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end = skip_over_word(*value);
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if (*end) {
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diff -up util-linux-2.25.2/libblkid/src/save.c.kzak util-linux-2.25.2/libblkid/src/save.c
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--- util-linux-2.25.2/libblkid/src/save.c.kzak 2014-09-16 14:37:06.147551766 +0200
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+++ util-linux-2.25.2/libblkid/src/save.c 2014-11-27 14:26:02.848721993 +0100
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@@ -26,6 +26,21 @@
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#include "blkidP.h"
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+
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+static void save_quoted(const char *data, FILE *file)
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+{
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+ const char *p;
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+
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+ fputc('"', file);
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+ for (p = data; p && *p; p++) {
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+ if ((unsigned char) *p == 0x22 || /* " */
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+ (unsigned char) *p == 0x5c) /* \ */
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+ fputc('\\', file);
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+
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+ fputc(*p, file);
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+ }
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+ fputc('"', file);
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+}
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static int save_dev(blkid_dev dev, FILE *file)
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{
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struct list_head *p;
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@@ -43,9 +58,14 @@ static int save_dev(blkid_dev dev, FILE
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if (dev->bid_pri)
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fprintf(file, " PRI=\"%d\"", dev->bid_pri);
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+
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list_for_each(p, &dev->bid_tags) {
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blkid_tag tag = list_entry(p, struct blkid_struct_tag, bit_tags);
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- fprintf(file, " %s=\"%s\"", tag->bit_name,tag->bit_val);
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+
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+ fputc(' ', file); /* space between tags */
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+ fputs(tag->bit_name, file); /* tag NAME */
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+ fputc('=', file); /* separator between NAME and VALUE */
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+ save_quoted(tag->bit_val, file); /* tag "VALUE" */
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}
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fprintf(file, ">%s</device>\n", dev->bid_name);
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diff -up util-linux-2.25.2/misc-utils/blkid.8.kzak util-linux-2.25.2/misc-utils/blkid.8
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--- util-linux-2.25.2/misc-utils/blkid.8.kzak 2013-09-18 15:50:12.690263681 +0200
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+++ util-linux-2.25.2/misc-utils/blkid.8 2014-11-27 14:26:02.849722005 +0100
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@@ -193,7 +193,10 @@ partitions. This output format is \fBDE
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.TP
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.B export
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print key=value pairs for easy import into the environment; this output format
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-is automatically enabled when I/O Limits (\fB-i\fR option) are requested
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+is automatically enabled when I/O Limits (\fB-i\fR option) are requested.
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+
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+The non-printing characters are encoded by ^ and M- notation and all
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+potentially unsafe characters are escaped.
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.RE
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.TP
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.BI \-O " offset"
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diff -up util-linux-2.25.2/misc-utils/blkid.c.kzak util-linux-2.25.2/misc-utils/blkid.c
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--- util-linux-2.25.2/misc-utils/blkid.c.kzak 2014-10-24 11:29:07.834363569 +0200
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+++ util-linux-2.25.2/misc-utils/blkid.c 2014-11-27 14:26:02.849722005 +0100
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@@ -306,7 +306,7 @@ static void print_value(int output, int
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printf("DEVNAME=%s\n", devname);
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fputs(name, stdout);
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fputs("=", stdout);
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- safe_print(value, valsz, NULL);
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+ safe_print(value, valsz, " \\\"'$`<>");
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fputs("\n", stdout);
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} else {
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@@ -315,7 +315,7 @@ static void print_value(int output, int
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fputs(" ", stdout);
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fputs(name, stdout);
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fputs("=\"", stdout);
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- safe_print(value, valsz, "\"");
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+ safe_print(value, valsz, "\"\\");
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fputs("\"", stdout);
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}
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}
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@ -2,7 +2,7 @@
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Summary: A collection of basic system utilities
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Name: util-linux
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Version: 2.25.2
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Release: 1%{?dist}
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Release: 2%{?dist}
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License: GPLv2 and GPLv2+ and LGPLv2+ and BSD with advertising and Public Domain
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Group: System Environment/Base
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URL: http://en.wikipedia.org/wiki/Util-linux
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@ -27,7 +27,7 @@ BuildRequires: libcap-ng-devel
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BuildRequires: python3-devel
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### Sources
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Source0: ftp://ftp.kernel.org/pub/linux/utils/util-linux/v2.24/util-linux-%{upstream_version}.tar.xz
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Source0: ftp://ftp.kernel.org/pub/linux/utils/util-linux/v2.25/util-linux-%{upstream_version}.tar.xz
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Source1: util-linux-login.pamd
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Source2: util-linux-remote.pamd
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Source3: util-linux-chsh-chfn.pamd
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@ -77,6 +77,9 @@ Requires: libsmartcols = %{version}-%{release}
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# 151635 - makeing /var/log/lastlog
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Patch0: 2.23-login-lastlog-create.patch
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# 1168490 - CVE-2014-9114 util-linux: command injection flaw in blkid
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Patch1: 2.26-libblkid-escape.patch
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%description
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The util-linux package contains a large variety of low-level system
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utilities that are necessary for a Linux system to function. Among
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@ -835,6 +838,9 @@ exit 0
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%{_libdir}/python*/site-packages/libmount/*
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%changelog
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* Thu Nov 27 2014 Karel Zak <kzak@redhat.com> 2.25.2-2
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- fix #1168490 - CVE-2014-9114 util-linux: command injection flaw in blkid
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* Wed Oct 24 2014 Karel Zak <kzak@redhat.com> 2.25.2-1
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- upgrade to stable 2.25.2
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ftp://ftp.kernel.org/pub/linux/utils/util-linux/v2.25/v2.25.2-ReleaseNotes
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