From c2326ab932cf4840eb668497a6ee97a937b3ff8e Mon Sep 17 00:00:00 2001 From: Max Rees Date: Sun, 4 Aug 2019 03:04:13 -0500 Subject: user/ntfs-3g: patch for CVE-2019-9755 (#145) --- user/ntfs-3g/CVE-2019-9755.patch | 63 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 user/ntfs-3g/CVE-2019-9755.patch (limited to 'user/ntfs-3g/CVE-2019-9755.patch') diff --git a/user/ntfs-3g/CVE-2019-9755.patch b/user/ntfs-3g/CVE-2019-9755.patch new file mode 100644 index 000000000..d1a95541f --- /dev/null +++ b/user/ntfs-3g/CVE-2019-9755.patch @@ -0,0 +1,63 @@ +From 85c1634a26faa572d3c558d4cf8aaaca5202d4e9 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Jean-Pierre=20Andr=C3=A9?= +Date: Wed, 19 Dec 2018 15:57:50 +0100 +Subject: [PATCH] Fixed reporting an error when failed to build the mountpoint + +The size check was inefficient because getcwd() uses an unsigned int +argument. +--- + src/lowntfs-3g.c | 6 +++++- + src/ntfs-3g.c | 6 +++++- + 2 files changed, 10 insertions(+), 2 deletions(-) + +diff --git a/src/lowntfs-3g.c b/src/lowntfs-3g.c +index 993867fa..0660439b 100644 +--- a/src/lowntfs-3g.c ++++ b/src/lowntfs-3g.c +@@ -4411,7 +4411,8 @@ int main(int argc, char *argv[]) + else { + ctx->abs_mnt_point = (char*)ntfs_malloc(PATH_MAX); + if (ctx->abs_mnt_point) { +- if (getcwd(ctx->abs_mnt_point, ++ if ((strlen(opts.mnt_point) < PATH_MAX) ++ && getcwd(ctx->abs_mnt_point, + PATH_MAX - strlen(opts.mnt_point) - 1)) { + strcat(ctx->abs_mnt_point, "/"); + strcat(ctx->abs_mnt_point, opts.mnt_point); +@@ -4419,6 +4420,9 @@ int main(int argc, char *argv[]) + /* Solaris also wants the absolute mount point */ + opts.mnt_point = ctx->abs_mnt_point; + #endif /* defined(__sun) && defined (__SVR4) */ ++ } else { ++ free(ctx->abs_mnt_point); ++ ctx->abs_mnt_point = (char*)NULL; + } + } + } +diff --git a/src/ntfs-3g.c b/src/ntfs-3g.c +index 6ce89fef..4e0912ae 100644 +--- a/src/ntfs-3g.c ++++ b/src/ntfs-3g.c +@@ -4148,7 +4148,8 @@ int main(int argc, char *argv[]) + else { + ctx->abs_mnt_point = (char*)ntfs_malloc(PATH_MAX); + if (ctx->abs_mnt_point) { +- if (getcwd(ctx->abs_mnt_point, ++ if ((strlen(opts.mnt_point) < PATH_MAX) ++ && getcwd(ctx->abs_mnt_point, + PATH_MAX - strlen(opts.mnt_point) - 1)) { + strcat(ctx->abs_mnt_point, "/"); + strcat(ctx->abs_mnt_point, opts.mnt_point); +@@ -4156,6 +4157,9 @@ int main(int argc, char *argv[]) + /* Solaris also wants the absolute mount point */ + opts.mnt_point = ctx->abs_mnt_point; + #endif /* defined(__sun) && defined (__SVR4) */ ++ } else { ++ free(ctx->abs_mnt_point); ++ ctx->abs_mnt_point = (char*)NULL; + } + } + } +-- +2.22.0 + -- cgit v1.2.3-60-g2f50