diff options
Diffstat (limited to 'meta/recipes-devtools/dmidecode/dmidecode/CVE-2023-30630.patch')
| -rw-r--r-- | meta/recipes-devtools/dmidecode/dmidecode/CVE-2023-30630.patch | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/meta/recipes-devtools/dmidecode/dmidecode/CVE-2023-30630.patch b/meta/recipes-devtools/dmidecode/dmidecode/CVE-2023-30630.patch new file mode 100644 index 0000000000..bf4d060c8c --- /dev/null +++ b/meta/recipes-devtools/dmidecode/dmidecode/CVE-2023-30630.patch @@ -0,0 +1,62 @@ +From b7dacccff32294ea522df32a9391d0218e7600ea Mon Sep 17 00:00:00 2001 +From: Jean Delvare <jdelvare@suse.de> +Date: Mon, 20 Feb 2023 14:53:31 +0100 +Subject: [PATCH] dmidecode: Do not let --dump-bin overwrite an existing file + +Make sure that the file passed to option --dump-bin does not already +exist. In practice, it is rather unlikely that an honest user would +want to overwrite an existing dump file, while this possibility +could be used by a rogue user to corrupt a system file. + +CVE: CVE-2023-30630 +Upstream-Status: Backport [https://git.savannah.nongnu.org/cgit/dmidecode.git/commit/?id=6ca381c1247c] + +Backport Changes: +- Ignored changes in man/dmidecode.8 file. + +Signed-off-by: Jean Delvare <jdelvare@suse.de> +Reviewed-by: Jerry Hoemann <jerry.hoemann@hpe.com> +(cherry picked from commit 6ca381c1247c81f74e1ca4e7706f70bdda72e6f2) +Signed-off-by: Dhairya Nagodra <dnagodra@cisco.com> + +--- + dmidecode.c | 14 ++++++++++++-- + 1 file changed, 12 insertions(+), 2 deletions(-) + +diff --git a/dmidecode.c b/dmidecode.c +index b91e53b..846d9a1 100644 +--- a/dmidecode.c ++++ b/dmidecode.c +@@ -60,6 +60,7 @@ + * https://www.dmtf.org/sites/default/files/DSP0270_1.0.1.pdf + */ + ++#include <fcntl.h> + #include <stdio.h> + #include <string.h> + #include <strings.h> +@@ -5097,13 +5098,22 @@ static void dmi_table_string(const struct dmi_header *h, const u8 *data, u16 ver + static int dmi_table_dump(const u8 *ep, u32 ep_len, const u8 *table, + u32 table_len) + { ++ int fd; + FILE *f; + +- f = fopen(opt.dumpfile, "wb"); ++ fd = open(opt.dumpfile, O_WRONLY|O_CREAT|O_EXCL, 0666); ++ if (fd == -1) ++ { ++ fprintf(stderr, "%s: ", opt.dumpfile); ++ perror("open"); ++ return -1; ++ } ++ ++ f = fdopen(fd, "wb"); + if (!f) + { + fprintf(stderr, "%s: ", opt.dumpfile); +- perror("fopen"); ++ perror("fdopen"); + return -1; + } + |