media-libs/libjpeg-turbo-1.5.3-r2: Fix CVE-2018-11813

libjpeg 9c has a large loop because read_pixel in rdtarga.c mishandles EOF

https://nvd.nist.gov/vuln/detail/CVE-2018-11813

Bug: https://bugs.gentoo.org/658624
Package-Manager: Portage-2.3.40, Repoman-2.3.9

1 files changed, 45 insertions, 0 deletions

diff --git a/media-libs/libjpeg-turbo/files/libjpeg-turbo-1.5.3-cve-2018-11813.patch b/media-libs/libjpeg-turbo/files/libjpeg-turbo-1.5.3-cve-2018-11813.patch
new file mode 100644
index 000000000000..f99a1ab27f97
--- /dev/null
+++ b/media-libs/libjpeg-turbo/files/libjpeg-turbo-1.5.3-cve-2018-11813.patch
@@ -0,0 +1,45 @@
+From 909a8cfc7bca9b2e6707425bdb74da997e8fa499 Mon Sep 17 00:00:00 2001
+From: DRC <information@libjpeg-turbo.org>
+Date: Tue, 12 Jun 2018 16:08:26 -0500
+Subject: [PATCH] Fix CVE-2018-11813
+
+Refer to change log for details.
+
+Fixes #242
+---
+ ChangeLog.md | 14 ++++++++++++++
+ rdtarga.c    |  6 ++----
+ 2 files changed, 16 insertions(+), 4 deletions(-)
+
+--- libjpeg-turbo-1.5.3/rdtarga.c
++++ libjpeg-turbo-1.5.3/rdtarga.c
+@@ -125,11 +125,10 @@
+ read_non_rle_pixel (tga_source_ptr sinfo)
+ /* Read one Targa pixel from the input file; no RLE expansion */
+ {
+-  register FILE *infile = sinfo->pub.input_file;
+   register int i;
+ 
+   for (i = 0; i < sinfo->pixel_size; i++) {
+-    sinfo->tga_pixel[i] = (U_CHAR) getc(infile);
++    sinfo->tga_pixel[i] = (U_CHAR) read_byte(sinfo);
+   }
+ }
+ 
+@@ -138,7 +137,6 @@
+ read_rle_pixel (tga_source_ptr sinfo)
+ /* Read one Targa pixel from the input file, expanding RLE data as needed */
+ {
+-  register FILE *infile = sinfo->pub.input_file;
+   register int i;
+ 
+   /* Duplicate previously read pixel? */
+@@ -160,7 +158,7 @@
+ 
+   /* Read next pixel */
+   for (i = 0; i < sinfo->pixel_size; i++) {
+-    sinfo->tga_pixel[i] = (U_CHAR) getc(infile);
++    sinfo->tga_pixel[i] = (U_CHAR) read_byte(sinfo);
+   }
+ }
+