From: Marco Trevisan (Treviño) <mail@xxxxxxxxx> We were only checking if the prefix of a device name was matching what we had in the devices list, so if the device list contained "pam", then also the device "pam-foo" was matching. --- auth2-chall.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/auth2-chall.c b/auth2-chall.c index 021df8291..52d38e2ef 100644 --- a/auth2-chall.c +++ b/auth2-chall.c @@ -170,7 +170,7 @@ kbdint_next_device(Authctxt *authctxt, KbdintAuthctxt *kbdintctxt) "keyboard-interactive", devices[i]->name)) continue; if (strncmp(kbdintctxt->devices, devices[i]->name, - len) == 0) { + len) == 0 && strlen(devices[i]->name) == len) { kbdintctxt->device = devices[i]; kbdintctxt->devices_done |= 1 << i; } -- 2.34.1 _______________________________________________ openssh-unix-dev mailing list openssh-unix-dev@xxxxxxxxxxx https://lists.mindrot.org/mailman/listinfo/openssh-unix-dev