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-rw-r--r--meta/recipes-multimedia/libsndfile/libsndfile1/CVE-2018-19758.patch34
1 files changed, 34 insertions, 0 deletions
diff --git a/meta/recipes-multimedia/libsndfile/libsndfile1/CVE-2018-19758.patch b/meta/recipes-multimedia/libsndfile/libsndfile1/CVE-2018-19758.patch
new file mode 100644
index 0000000000..c3586f9dfc
--- /dev/null
+++ b/meta/recipes-multimedia/libsndfile/libsndfile1/CVE-2018-19758.patch
@@ -0,0 +1,34 @@
+There is a heap-based buffer over-read at wav.c in wav_write_header in
+libsndfile 1.0.28 that will cause a denial of service.
+
+CVE: CVE-2018-19758
+Upstream-Status: Backport [42132c543358cee9f7c3e9e9b15bb6c1063a608e]
+Signed-off-by: Ross Burton <ross.burton@intel.com>
+
+From c12173b0197dd0c5cfa2cd27977e982d2ae59486 Mon Sep 17 00:00:00 2001
+From: Erik de Castro Lopo <erikd@mega-nerd.com>
+Date: Tue, 1 Jan 2019 20:11:46 +1100
+Subject: [PATCH] src/wav.c: Fix heap read overflow
+
+This is CVE-2018-19758.
+
+Closes: https://github.com/erikd/libsndfile/issues/435
+---
+ src/wav.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/src/wav.c b/src/wav.c
+index e8405b55..6fb94ae8 100644
+--- a/src/wav.c
++++ b/src/wav.c
+@@ -1094,6 +1094,8 @@ wav_write_header (SF_PRIVATE *psf, int calc_length)
+ psf_binheader_writef (psf, "44", 0, 0) ; /* SMTPE format */
+ psf_binheader_writef (psf, "44", psf->instrument->loop_count, 0) ;
+
++ /* Loop count is signed 16 bit number so we limit it range to something sensible. */
++ psf->instrument->loop_count &= 0x7fff ;
+ for (tmp = 0 ; tmp < psf->instrument->loop_count ; tmp++)
+ { int type ;
+
+--
+2.11.0