diff options
| author | valdaarhun <icegambit91@gmail.com> | 2022-07-25 18:49:19 +0530 |
|---|---|---|
| committer | Pauli <pauli@openssl.org> | 2022-07-29 12:39:22 +1000 |
| commit | 683480726f6ab46216e30c7505d1a3c4ec90ace9 (patch) | |
| tree | a55c4055aee44009ad8c32204fe0ada6e2a70686 /crypto/pem | |
| parent | a1598fb98e93fdf947327561071341012acc5c99 (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)
(cherry picked from commit 205957405d08ef199e6ab654e333a627bbca9ccc)
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 5097507019..fa24831fe3 100644 --- a/crypto/pem/pem_lib.c +++ b/crypto/pem/pem_lib.c @@ -627,7 +627,7 @@ 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; |