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authorSona Sarmadi <sona.sarmadi@enea.com>2015-04-29 11:02:20 +0200
committerRichard Purdie <richard.purdie@linuxfoundation.org>2015-05-01 12:34:06 +0100
commit0b13fbf3f9b4419141445b381ffa9445af6e52ab (patch)
tree84fc57b7a1357361e23ef212bceed01317535a8e
parent10c8aeebca301ffd853e75df3f9c1d16d0352d76 (diff)
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coreutils: parse-datetime: CVE-2014-9471
Memory corruption flaw in parse_datetime() Reference https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-9471 Signed-off-by: Sona Sarmadi <sona.sarmadi@enea.com> Signed-off-by: Maxin B. John <maxin.john@enea.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
-rw-r--r--meta/recipes-core/coreutils/coreutils-8.22/parse-datetime-CVE-2014-9471.patch43
-rw-r--r--meta/recipes-core/coreutils/coreutils_8.22.bb1
2 files changed, 44 insertions, 0 deletions
diff --git a/meta/recipes-core/coreutils/coreutils-8.22/parse-datetime-CVE-2014-9471.patch b/meta/recipes-core/coreutils/coreutils-8.22/parse-datetime-CVE-2014-9471.patch
new file mode 100644
index 0000000..a094b8b
--- /dev/null
+++ b/meta/recipes-core/coreutils/coreutils-8.22/parse-datetime-CVE-2014-9471.patch
@@ -0,0 +1,43 @@
+Upstream-Status: Backport
+Signed-off-by: Sona Sarmadi <sona.sarmadi@enea.com>
+---
+diff -ruN a/ChangeLog b/ChangeLog
+--- a/ChangeLog 2013-12-13 16:20:00.000000000 +0100
++++ b/ChangeLog 2015-02-26 09:24:10.640577829 +0100
+@@ -1,3 +1,11 @@
++2014-02-25 Sona Sarmadi <sona.sarmadi@enea.com>
++
++ parse-datetime: fix crash or infloop in TZ="" parsing
++ * lib/parse-datetime.y (parse_datetime): Break out of the
++ TZ="" parsing loop once the second significant " is found.
++ Also skip over any subsequent whitespace to be consistent
++ with the non TZ= case (CVE-2014-9471)
++
+ 2013-12-13 Pádraig Brady <P@draigBrady.com>
+
+ version 8.22
+diff -ruN a/lib/parse-datetime.y b/lib/parse-datetime.y
+--- a/lib/parse-datetime.y 2013-12-04 15:53:33.000000000 +0100
++++ b/lib/parse-datetime.y 2015-02-26 09:20:15.238528670 +0100
+@@ -1303,8 +1303,6 @@
+ char tz1buf[TZBUFSIZE];
+ bool large_tz = TZBUFSIZE < tzsize;
+ bool setenv_ok;
+- /* Free tz0, in case this is the 2nd or subsequent time through. */
+- free (tz0);
+ tz0 = get_tz (tz0buf);
+ z = tz1 = large_tz ? xmalloc (tzsize) : tz1buf;
+ for (s = tzbase; *s != '"'; s++)
+@@ -1316,7 +1314,12 @@
+ if (!setenv_ok)
+ goto fail;
+ tz_was_altered = true;
++
+ p = s + 1;
++ while (c = *p, c_isspace (c))
++ p++;
++
++ break;
+ }
+ }
+
diff --git a/meta/recipes-core/coreutils/coreutils_8.22.bb b/meta/recipes-core/coreutils/coreutils_8.22.bb
index ba3a0a0..9746683 100644
--- a/meta/recipes-core/coreutils/coreutils_8.22.bb
+++ b/meta/recipes-core/coreutils/coreutils_8.22.bb
@@ -16,6 +16,7 @@ SRC_URI = "${GNU_MIRROR}/coreutils/${BP}.tar.xz \
file://remove-usr-local-lib-from-m4.patch \
file://dummy_help2man.patch \
file://fix-for-dummy-man-usage.patch \
+ file://parse-datetime-CVE-2014-9471.patch \
"
SRC_URI[md5sum] = "8fb0ae2267aa6e728958adc38f8163a2"