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- djm@cvs.openbsd.org 2014/02/03 23:28:00 

[ssh-ecdsa.c]
     fix memory leak; ECDSA_SIG_new() allocates 'r' and 's' for us, unlike
     DSA_SIG_new. Reported by Batz Spear; ok markus@
This commit is contained in:
Damien Miller 2014-02-04 11:20:40 +11:00
parent a5103f413b
commit aae07e2e20
2 changed files with 5 additions and 4 deletions
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4
ChangeLog
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@ -53,6 +53,10 @@
[ssh-keygen.c ssh-rsa.c sshconnect.c sshconnect1.c sshconnect2.c] [ssh-keygen.c ssh-rsa.c sshconnect.c sshconnect1.c sshconnect2.c]
[sshd.c] [sshd.c]
convert memset of potentially-private data to explicit_bzero() convert memset of potentially-private data to explicit_bzero()
- djm@cvs.openbsd.org 2014/02/03 23:28:00
[ssh-ecdsa.c]
fix memory leak; ECDSA_SIG_new() allocates 'r' and 's' for us, unlike
DSA_SIG_new. Reported by Batz Spear; ok markus@
20140131 20140131
- (djm) [sandbox-seccomp-filter.c sandbox-systrace.c] Allow shutdown(2) - (djm) [sandbox-seccomp-filter.c sandbox-systrace.c] Allow shutdown(2)

5
ssh-ecdsa.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: ssh-ecdsa.c,v 1.9 2014/02/02 03:44:31 djm Exp $ */ /* $OpenBSD: ssh-ecdsa.c,v 1.10 2014/02/03 23:28:00 djm Exp $ */
/* /*
* Copyright (c) 2000 Markus Friedl. All rights reserved. * Copyright (c) 2000 Markus Friedl. All rights reserved.
* Copyright (c) 2010 Damien Miller. All rights reserved. * Copyright (c) 2010 Damien Miller. All rights reserved.
@ -140,9 +140,6 @@ ssh_ecdsa_verify(const Key *key, const u_char *signature, u_int signaturelen,
/* parse signature */ /* parse signature */
if ((sig = ECDSA_SIG_new()) == NULL) if ((sig = ECDSA_SIG_new()) == NULL)
fatal("%s: ECDSA_SIG_new failed", __func__); fatal("%s: ECDSA_SIG_new failed", __func__);
if ((sig->r = BN_new()) == NULL ||
(sig->s = BN_new()) == NULL)
fatal("%s: BN_new failed", __func__);
buffer_init(&bb); buffer_init(&bb);
buffer_append(&bb, sigblob, len); buffer_append(&bb, sigblob, len);