diff options
| author | Baruch Siach <baruch@tkos.co.il> | 2018-06-15 06:56:48 +0300 |
|---|---|---|
| committer | Peter Korsgaard <peter@korsgaard.com> | 2018-06-15 10:02:24 +0200 |
| commit | 89be4c7b0ea4cb650aeaff78b9cf7265a89ba43f (patch) | |
| tree | 3c2a7ef79c1e9df5c3cf495b51ec742100f1120f | |
| parent | faf50414611b674b1758900d228fa6156cb65d57 (diff) | |
| download | buildroot-89be4c7b0ea4cb650aeaff78b9cf7265a89ba43f.tar.gz buildroot-89be4c7b0ea4cb650aeaff78b9cf7265a89ba43f.zip | |
file: add upstream security fix
Fixes CVE-2018-10360: The do_core_note function in readelf.c in
libmagic.a in file 5.33 allows remote attackers to cause a denial of
service (out-of-bounds read and application crash) via a crafted ELF
file.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
| -rw-r--r-- | package/file/0001-Avoid-reading-past-the-end-of-buffer-Rui-Reis.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/package/file/0001-Avoid-reading-past-the-end-of-buffer-Rui-Reis.patch b/package/file/0001-Avoid-reading-past-the-end-of-buffer-Rui-Reis.patch new file mode 100644 index 0000000000..daff866692 --- /dev/null +++ b/package/file/0001-Avoid-reading-past-the-end-of-buffer-Rui-Reis.patch @@ -0,0 +1,30 @@ +From a642587a9c9e2dd7feacdf513c3643ce26ad3c22 Mon Sep 17 00:00:00 2001 +From: Christos Zoulas <christos@zoulas.com> +Date: Sat, 9 Jun 2018 16:00:06 +0000 +Subject: [PATCH] Avoid reading past the end of buffer (Rui Reis) + +[baruch: drop file version string update hunk] +Signed-off-by: Baruch Siach <baruch@tkos.co.il> +--- +Upstream status: commit a642587a9c9 in github mirror + + src/readelf.c | 5 +++-- + 1 file changed, 3 insertions(+), 2 deletions(-) + +diff --git a/src/readelf.c b/src/readelf.c +index 79c83f9f5048..1f41b46113c3 100644 +--- a/src/readelf.c ++++ b/src/readelf.c +@@ -842,7 +842,8 @@ do_core_note(struct magic_set *ms, unsigned char *nbuf, uint32_t type, + + cname = (unsigned char *) + &nbuf[doff + prpsoffsets(i)]; +- for (cp = cname; *cp && isprint(*cp); cp++) ++ for (cp = cname; cp < nbuf + size && *cp ++ && isprint(*cp); cp++) + continue; + /* + * Linux apparently appends a space at the end +-- +2.17.1 + |
