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| author | Dag-Erling Smørgrav <des@FreeBSD.org> | 2003-02-16 11:28:55 +0000 |
|---|---|---|
| committer | Dag-Erling Smørgrav <des@FreeBSD.org> | 2003-02-16 11:28:55 +0000 |
| commit | 83a75cff45f34d07ccff93034acb2544498d4f76 (patch) | |
| tree | 9f714cc61868750c60e421783802e005668a82a1 | |
| parent | f3ea2ebc1b39b7bcdd7fef801d7a1d17fa8f46ba (diff) | |
| download | src-83a75cff45f34d07ccff93034acb2544498d4f76.tar.gz src-83a75cff45f34d07ccff93034acb2544498d4f76.zip | |
MFP4: guard against null pointer dereference which sshd can cause (#25271)
Notes
Notes:
svn path=/vendor/openpam/dist/; revision=110989
| -rw-r--r-- | contrib/openpam/lib/pam_vprompt.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/contrib/openpam/lib/pam_vprompt.c b/contrib/openpam/lib/pam_vprompt.c index 15fdc8176998..83262c472c14 100644 --- a/contrib/openpam/lib/pam_vprompt.c +++ b/contrib/openpam/lib/pam_vprompt.c @@ -31,7 +31,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $P4: //depot/projects/openpam/lib/pam_vprompt.c#8 $ + * $P4: //depot/projects/openpam/lib/pam_vprompt.c#9 $ */ #include <stdarg.h> @@ -66,7 +66,7 @@ pam_vprompt(pam_handle_t *pamh, r = pam_get_item(pamh, PAM_CONV, (const void **)&conv); if (r != PAM_SUCCESS) RETURNC(r); - if (conv == NULL) { + if (conv == NULL || conv->conv == NULL) { openpam_log(PAM_LOG_ERROR, "no conversation function"); RETURNC(PAM_SYSTEM_ERR); } |