diff options
| author | valdaarhun <icegambit91@gmail.com> | 2022-07-25 18:49:19 +0530 |
|---|---|---|
| committer | Pauli <pauli@openssl.org> | 2022-07-29 12:39:02 +1000 |
| commit | 205957405d08ef199e6ab654e333a627bbca9ccc (patch) | |
| tree | d1ed5fd58dc422983a15a7048f0cfc56d28f4f6c /crypto/pem | |
| parent | df274c334c523f7375d5aa60ff4b9a846c3e2a6c (diff) | |
Fixes segfault occurrence in PEM_write()
Checks if header is NULL or not before calling strlen().
CLA: trivial
Fixes #18825
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Ben Kaduk <kaduk@mit.edu>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18865)
Diffstat (limited to 'crypto/pem')
| -rw-r--r-- | crypto/pem/pem_lib.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/pem/pem_lib.c b/crypto/pem/pem_lib.c index 544d6c51b7..98050f8348 100644 --- a/crypto/pem/pem_lib.c +++ b/crypto/pem/pem_lib.c @@ -624,7 +624,7 @@ int PEM_write_bio(BIO *bp, const char *name, const char *header, (BIO_write(bp, "-----\n", 6) != 6)) goto err; - i = strlen(header); + i = header != NULL ? strlen(header) : 0; if (i > 0) { if ((BIO_write(bp, header, i) != i) || (BIO_write(bp, "\n", 1) != 1)) goto err; |