diff options
Diffstat (limited to 'user/wavpack/cve2018-19841.patch')
| -rw-r--r-- | user/wavpack/cve2018-19841.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/user/wavpack/cve2018-19841.patch b/user/wavpack/cve2018-19841.patch new file mode 100644 index 000000000..6872ed91e --- /dev/null +++ b/user/wavpack/cve2018-19841.patch @@ -0,0 +1,29 @@ +From bba5389dc598a92bdf2b297c3ea34620b6679b5b Mon Sep 17 00:00:00 2001 +From: David Bryant <david@wavpack.com> +Date: Thu, 29 Nov 2018 21:53:51 -0800 +Subject: [PATCH] issue #54: fix potential out-of-bounds heap read + +--- + src/open_utils.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/src/open_utils.c b/src/open_utils.c +index 80051fc..4fe0d67 100644 +--- a/src/open_utils.c ++++ b/src/open_utils.c +@@ -1258,13 +1258,13 @@ int WavpackVerifySingleBlock (unsigned char *buffer, int verify_checksum) + #endif + + if (meta_bc == 4) { +- if (*dp++ != (csum & 0xff) || *dp++ != ((csum >> 8) & 0xff) || *dp++ != ((csum >> 16) & 0xff) || *dp++ != ((csum >> 24) & 0xff)) ++ if (*dp != (csum & 0xff) || dp[1] != ((csum >> 8) & 0xff) || dp[2] != ((csum >> 16) & 0xff) || dp[3] != ((csum >> 24) & 0xff)) + return FALSE; + } + else { + csum ^= csum >> 16; + +- if (*dp++ != (csum & 0xff) || *dp++ != ((csum >> 8) & 0xff)) ++ if (*dp != (csum & 0xff) || dp[1] != ((csum >> 8) & 0xff)) + return FALSE; + } + |