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| author | des <des@FreeBSD.org> | 2003-02-16 11:28:55 +0000 |
|---|---|---|
| committer | des <des@FreeBSD.org> | 2003-02-16 11:28:55 +0000 |
| commit | 2e76ae7fcb083b0e01d79ec91adf2b88a4e9a519 (patch) | |
| tree | 9f714cc61868750c60e421783802e005668a82a1 /contrib/openpam | |
| parent | 5945314a7a72384610ca7385f7bf6aa3bda5288b (diff) | |
| download | FreeBSD-src-2e76ae7fcb083b0e01d79ec91adf2b88a4e9a519.zip FreeBSD-src-2e76ae7fcb083b0e01d79ec91adf2b88a4e9a519.tar.gz | |
MFP4: guard against null pointer dereference which sshd can cause (#25271)
Diffstat (limited to 'contrib/openpam')
| -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 15fdc81..83262c4 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); } |
