diff options
Diffstat (limited to 'main/ntfs-3g/CVE-2019-9755.patch')
| -rw-r--r-- | main/ntfs-3g/CVE-2019-9755.patch | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/main/ntfs-3g/CVE-2019-9755.patch b/main/ntfs-3g/CVE-2019-9755.patch new file mode 100644 index 0000000000..577f168628 --- /dev/null +++ b/main/ntfs-3g/CVE-2019-9755.patch @@ -0,0 +1,62 @@ +From 85c1634a26faa572d3c558d4cf8aaaca5202d4e9 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Jean-Pierre=20Andr=C3=A9?= <jean-pierre.andre@wanadoo.fr> +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 +@@ -4323,7 +4323,8 @@ + 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); +@@ -4331,6 +4332,9 @@ + /* 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 +@@ -4123,7 +4123,8 @@ + 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); +@@ -4131,6 +4132,9 @@ + /* 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 |