file: Multiple Secruity fixes

Source: https://github.com/file
MR: 97573, 97578, 97583, 97588
Type: Security Fix
Disposition: Backport from https://github.com/file/file
ChangeID: 159e532d518623f19ba777c8edc24d2dc7e3a4e9
Description:

CVE-2019-8905 is the same fix as CVE-2019-8907

Affects < 5.36.0

Fixes:
CVE-2019-8904
CVE-2019-8906
CVE-2019-8906
CVE-2019-8907

(From OE-Core rev: 3d7375eb2e459b891b4ba16c1fc486afbfecef2c)

Signed-off-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 27 insertions, 0 deletions

diff --git a/meta/recipes-devtools/file/file/CVE-2019-8906.patch b/meta/recipes-devtools/file/file/CVE-2019-8906.patch
new file mode 100644
index 0000000000..1079ac6675
--- /dev/null
+++ b/meta/recipes-devtools/file/file/CVE-2019-8906.patch
@@ -0,0 +1,27 @@
+From 2858eaf99f6cc5aae129bcbf1e24ad160240185f Mon Sep 17 00:00:00 2001
+From: Christos Zoulas <christos@zoulas.com>
+Date: Wed, 2 Jan 2019 19:44:14 +0000
+Subject: [PATCH] Avoid OOB read (found by ASAN reported by F. Alonso)
+
+Upstream-Status: Backport
+CVE: CVE-2019-8906
+Affects < 5.36
+[Fixup for thud context]
+Signed-off-by: Armin Kuster <akuster@mvista.com>
+---
+ src/readelf.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+Index: git/src/readelf.c
+===================================================================
+--- git.orig/src/readelf.c
++++ git/src/readelf.c
+@@ -745,7 +745,7 @@ do_core_note(struct magic_set *ms, unsig
+                        char sbuf[512];
+                        struct NetBSD_elfcore_procinfo pi;
+                        memset(&pi, 0, sizeof(pi));
+-                       memcpy(&pi, nbuf + doff, descsz);
++                       memcpy(&pi, nbuf + doff, MIN(descsz, sizeof(pi)));
+ 
+                        if (file_printf(ms, ", from '%.31s', pid=%u, uid=%u, "
+                            "gid=%u, nlwps=%u, lwp=%u (signal %u/code %u)",