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ccgx: Check for FPE when parsing the metadata section

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This commit is contained in:
Richard Hughes 2021-02-15 15:43:30 +00:00
parent a92026476b
commit 4822b3317b
1 changed files with 7 additions and 0 deletions
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7
plugins/ccgx/fu-ccgx-firmware.c
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@ -236,6 +236,13 @@ fu_ccgx_firmware_parse_md_block (FuCcgxFirmware *self, FuFirmwareImage *img, GEr
g_autofree gchar *version_str = NULL;
rcd = g_ptr_array_index (self->records, rcd_version_idx);
buf = g_bytes_get_data (rcd->data, &bufsz);
if (bufsz == 0) {
g_set_error_literal (error,
FWUPD_ERROR,
FWUPD_ERROR_INVALID_FILE,
"metadata record had zero size");
return FALSE;
}
if (!fu_common_read_uint32_safe (buf, bufsz, CCGX_APP_VERSION_OFFSET % bufsz,
&version, G_LITTLE_ENDIAN, error))
return FALSE;