aboutsummaryrefslogtreecommitdiffstats
path: root/meta/recipes-extended/unzip/unzip/CVE-2015-7697.patch
diff options
context:
space:
mode:
authorTudor Florea <tudor.florea@enea.com>2015-10-29 01:14:18 +0100
committerRichard Purdie <richard.purdie@linuxfoundation.org>2015-11-02 12:25:41 +0000
commita11b23a7d2a29414a4ea47c411f09a68b1b28e2d (patch)
tree401ab5502ae11e37bac113fabe434658cd0b230c /meta/recipes-extended/unzip/unzip/CVE-2015-7697.patch
parentd5065e2b1c49fa65627f0adec8e42190ebccb572 (diff)
downloadopenembedded-core-contrib-a11b23a7d2a29414a4ea47c411f09a68b1b28e2d.tar.gz
unzip: CVE-2015-7696, CVE-2015-7697
CVE-2015-7696: Fixes a heap overflow triggered by unzipping a file with password CVE-2015-7697: Fixes a denial of service with a file that never finishes unzipping References: http://www.openwall.com/lists/oss-security/2015/10/11/5 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7696 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7697 Signed-off-by: Tudor Florea <tudor.florea@enea.com> Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/recipes-extended/unzip/unzip/CVE-2015-7697.patch')
-rw-r--r--meta/recipes-extended/unzip/unzip/CVE-2015-7697.patch31
1 files changed, 31 insertions, 0 deletions
diff --git a/meta/recipes-extended/unzip/unzip/CVE-2015-7697.patch b/meta/recipes-extended/unzip/unzip/CVE-2015-7697.patch
new file mode 100644
index 0000000000..da68988338
--- /dev/null
+++ b/meta/recipes-extended/unzip/unzip/CVE-2015-7697.patch
@@ -0,0 +1,31 @@
+Upstream-Status: Backport
+Signed-off-by: Tudor Florea <tudor.flore@enea.com>
+
+From bd8a743ee0a77e65ad07ef4196c4cd366add3f26 Mon Sep 17 00:00:00 2001
+From: Kamil Dudka <kdudka@redhat.com>
+Date: Mon, 14 Sep 2015 18:24:56 +0200
+Subject: [PATCH 2/2] fix infinite loop when extracting empty bzip2 data
+
+---
+ extract.c | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/extract.c b/extract.c
+index 7134bfe..29db027 100644
+--- a/extract.c
++++ b/extract.c
+@@ -2733,6 +2733,12 @@ __GDEF
+ int repeated_buf_err;
+ bz_stream bstrm;
+
++ if (G.incnt <= 0 && G.csize <= 0L) {
++ /* avoid an infinite loop */
++ Trace((stderr, "UZbunzip2() got empty input\n"));
++ return 2;
++ }
++
+ #if (defined(DLL) && !defined(NO_SLIDE_REDIR))
+ if (G.redirect_slide)
+ wsize = G.redirect_size, redirSlide = G.redirect_buffer;
+--
+2.4.6