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upstream: clear PIN when deallocating; from Tess Gauthier via bz4047

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OpenBSD-Commit-ID: 1e1b4bc23ad923ac3c11adc266cfe4b9e7c53957
This commit is contained in:
djm@openbsd.org authored and Damien Miller committed 2026-10-30 09:54:11 +11:00
1 parent e4d03fbf92
commit 2427bf51e8
1 file changed
+5 -3
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ssh-add.c
+5 -3
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@@ -1,4 +1,4 @@
/* $OpenBSD: ssh-add.c,v 1.191 2026/09/17 18:12:10 dtucker Exp $ */
/* $OpenBSD: ssh-add.c,v 1.192 2026/10/29 22:53:23 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -488,7 +488,8 @@ update_card(int agent_fd, int add, const char *id, int qflag, int no_pin,
add ? "add" : "remove", id, ssh_err(r));
ret = -1;
}
free(pin);
if (pin != NULL)
freezero(pin, strlen(pin));
return ret;
}
@@ -614,7 +615,8 @@ load_resident_keys(int agent_fd, const char *skprovider, int qflag, int no_pin,
free(pin);
return r;
}
free(pin);
if (pin != NULL)
freezero(pin, strlen(pin));
for (i = 0; i < nsrks; i++) {
key = srks[i]->key;
if ((fp = sshkey_fingerprint(key,