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jasper: add upstream security fix

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Fixes a NULL Pointer Dereference jp2_encode:

https://github.com/mdadams/jasper/issues/120

No CVE assigned yet.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Peter Korsgaard 2017-03-14 23:58:22 +01:00
parent a105443b24
commit 76da579431
1 changed files with 30 additions and 0 deletions
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package/jasper/0003-Added-a-check-in-the-JP2-encoder-to-ensure-that-the-.patch Normal file
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@ -0,0 +1,30 @@
From 58ba0365d911b9f9dd68e9abf826682c0b4f2293 Mon Sep 17 00:00:00 2001
From: Michael Adams <mdadams@ece.uvic.ca>
Date: Mon, 6 Mar 2017 08:06:54 -0800
Subject: [PATCH] Added a check in the JP2 encoder to ensure that the image to
be coded has at least one component.
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
---
src/libjasper/jp2/jp2_enc.c | 5 +++++
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/src/libjasper/jp2/jp2_enc.c b/src/libjasper/jp2/jp2_enc.c
index 9a5e106..af4d9a4 100644
--- a/src/libjasper/jp2/jp2_enc.c
+++ b/src/libjasper/jp2/jp2_enc.c
@@ -115,6 +115,11 @@ int jp2_encode(jas_image_t *image, jas_stream_t *out, const char *optstr)
iccstream = 0;
iccprof = 0;
+ if (jas_image_numcmpts(image) < 1) {
+ jas_eprintf("image must have at least one component\n");
+ goto error;
+ }
+
allcmptssame = 1;
sgnd = jas_image_cmptsgnd(image, 0);
prec = jas_image_cmptprec(image, 0);
--
2.11.0