diff options
| author | Gary Lin <glin@suse.com> | 2016-10-13 15:57:25 +0800 |
|---|---|---|
| committer | Peter Jones <pjones@redhat.com> | 2016-11-30 12:57:34 -0500 |
| commit | b371a682fb67ff945a8095437b9b33cab549bb49 (patch) | |
| tree | 55aa1f4552b1c96dbfd1b110e210cb7471ee06e4 /Cryptlib/OpenSSL/crypto/pem/pvkfmt.c | |
| parent | 43ad947f6e7d1e899d86fd8ca66a55ffbc3ed2b2 (diff) | |
| download | efi-boot-shim-b371a682fb67ff945a8095437b9b33cab549bb49.tar.gz efi-boot-shim-b371a682fb67ff945a8095437b9b33cab549bb49.zip | |
Update to openssl 1.0.2j
Signed-off-by: Gary Lin <glin@suse.com>
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/pem/pvkfmt.c')
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/pem/pvkfmt.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Cryptlib/OpenSSL/crypto/pem/pvkfmt.c b/Cryptlib/OpenSSL/crypto/pem/pvkfmt.c index 61864468..1ce5a1e3 100644 --- a/Cryptlib/OpenSSL/crypto/pem/pvkfmt.c +++ b/Cryptlib/OpenSSL/crypto/pem/pvkfmt.c @@ -127,6 +127,9 @@ static int read_lebn(const unsigned char **in, unsigned int nbyte, BIGNUM **r) # define MS_KEYTYPE_KEYX 0x1 # define MS_KEYTYPE_SIGN 0x2 +/* Maximum length of a blob after header */ +# define BLOB_MAX_LENGTH 102400 + /* The PVK file magic number: seems to spell out "bobsfile", who is Bob? */ # define MS_PVKMAGIC 0xb0b5f11eL /* Salt length for PVK files */ @@ -272,6 +275,10 @@ static EVP_PKEY *do_b2i_bio(BIO *in, int ispub) return NULL; length = blob_length(bitlen, isdss, ispub); + if (length > BLOB_MAX_LENGTH) { + PEMerr(PEM_F_DO_B2I_BIO, PEM_R_HEADER_TOO_LONG); + return NULL; + } buf = OPENSSL_malloc(length); if (!buf) { PEMerr(PEM_F_DO_B2I_BIO, ERR_R_MALLOC_FAILURE); |