diff options
Diffstat (limited to 'poky/meta/recipes-core/busybox/busybox/CVE-2017-15874.patch')
| -rw-r--r-- | poky/meta/recipes-core/busybox/busybox/CVE-2017-15874.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/poky/meta/recipes-core/busybox/busybox/CVE-2017-15874.patch b/poky/meta/recipes-core/busybox/busybox/CVE-2017-15874.patch new file mode 100644 index 000000000..67b4ed7e1 --- /dev/null +++ b/poky/meta/recipes-core/busybox/busybox/CVE-2017-15874.patch @@ -0,0 +1,30 @@ +From e75c01bb3249df16201b482b79bb24bec3b58188 Mon Sep 17 00:00:00 2001 +From: Denys Vlasenko <vda.linux@googlemail.com> +Date: Fri, 27 Oct 2017 15:37:03 +0200 +Subject: [PATCH] unlzma: fix SEGV, closes 10436 + +Upstream-Status: Backport [ https://git.busybox.net/busybox/commit/?id=9ac42c500586fa5f10a1f6d22c3f797df11b1f6b] +Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> +Signed-off-by: Sinan Kaya <okaya@kernel.org> +--- + archival/libarchive/decompress_unlzma.c | 4 ++++ + 1 file changed, 4 insertions(+) + +diff --git a/archival/libarchive/decompress_unlzma.c b/archival/libarchive/decompress_unlzma.c +index 29eee2a..41e492f 100644 +--- a/archival/libarchive/decompress_unlzma.c ++++ b/archival/libarchive/decompress_unlzma.c +@@ -353,6 +353,10 @@ unpack_lzma_stream(transformer_state_t *xstate) + pos = buffer_pos - rep0; + if ((int32_t)pos < 0) { + pos += header.dict_size; ++ /* bug 10436 has an example file where this triggers: */ ++ if ((int32_t)pos < 0) ++ goto bad; ++ + /* see unzip_bad_lzma_2.zip: */ + if (pos >= buffer_size) + goto bad; +-- +2.19.0 + |
