Mbed-TLS/mbedtls
1
0
Fork 0
mirror of https://github.com/Mbed-TLS/mbedtls.git synced 2026-09-26 20:17:24 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add fix for PEM underflow

Browse Source 
Signed-off-by: Felix Conway <[email protected]>
This commit is contained in:
Felix Conway
2025-06-04 10:06:26 +01:00
parent 9325883d9f
commit 6165e71589
1 changed files with 4 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
library/pem.c
+4 -1
View File
@@ -243,7 +243,10 @@ exit:
#if defined(MBEDTLS_DES_C) || defined(MBEDTLS_AES_C) #if defined(MBEDTLS_DES_C) || defined(MBEDTLS_AES_C)
static int pem_check_pkcs_padding(unsigned char *input, size_t input_len, size_t *data_len) static int pem_check_pkcs_padding(unsigned char *input, size_t input_len, size_t *data_len)
{ {
/* input_len > 0 is guaranteed by mbedtls_pem_read_buffer(). */ /* input_len > 0 is not guaranteed by mbedtls_pem_read_buffer(). */
if (input_len < 1) {
return MBEDTLS_ERR_PEM_INVALID_DATA;
}
size_t pad_len = input[input_len - 1]; size_t pad_len = input[input_len - 1];
size_t i; size_t i;