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Red Hat Bugzilla – Attachment 644984 Details for
Bug 871612
CVE-2012-4559 CVE-2012-6063 libssh: multiple double free() flaws
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[patch]
CVE-2012-4559-Ensure-we-don-t-free-blob-or-request-t.patch
0007-CVE-2012-4559-Ensure-we-don-t-free-blob-or-request-t.patch (text/plain), 911 bytes, created by
Andreas Schneider
on 2012-11-14 16:41:15 UTC
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Description:
CVE-2012-4559-Ensure-we-don-t-free-blob-or-request-t.patch
Filename:
MIME Type:
Creator:
Andreas Schneider
Created:
2012-11-14 16:41:15 UTC
Size:
911 bytes
patch
obsolete
>From 1471f2c67a23602898e783c97b65aea9cc6356a4 Mon Sep 17 00:00:00 2001 >From: Andreas Schneider <asn@cryptomilk.org> >Date: Fri, 5 Oct 2012 14:33:29 +0200 >Subject: [PATCH 07/13] CVE-2012-4559: Ensure we don't free blob or request > twice. > > >Signed-off-by: Andreas Schneider <asn@cryptomilk.org> >--- > src/agent.c | 2 ++ > 1 file changed, 2 insertions(+) > >diff --git a/src/agent.c b/src/agent.c >index c3d13c8..5b0dba0 100644 >--- a/src/agent.c >+++ b/src/agent.c >@@ -439,6 +439,7 @@ ssh_string agent_sign_data(struct ssh_session_struct *session, > } > > ssh_string_free(blob); >+ blob = NULL; > > reply = ssh_buffer_new(); > if (reply == NULL) { >@@ -451,6 +452,7 @@ ssh_string agent_sign_data(struct ssh_session_struct *session, > return NULL; > } > ssh_buffer_free(request); >+ request = NULL; > > /* check if reply is valid */ > if (buffer_get_u8(reply, (uint8_t *) &type) != sizeof(uint8_t)) { >-- >1.8.0 >
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