From owner-freebsd-security@freebsd.org Fri Apr 1 11:08:09 2016 Return-Path: Delivered-To: freebsd-security@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 2DE9AAEBA70 for ; Fri, 1 Apr 2016 11:08:09 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 1E384122D for ; Fri, 1 Apr 2016 11:08:09 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id u31B88Bp012993 for ; Fri, 1 Apr 2016 11:08:08 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-security@FreeBSD.org Subject: [Bug 206761] Kernel stack overflow in sysctl handler for kern.binmisc.add Date: Fri, 01 Apr 2016 11:08:09 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 11.0-CURRENT X-Bugzilla-Keywords: needs-patch, needs-qa, security X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: cturt@hardenedbsd.org X-Bugzilla-Status: In Progress X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-Mailman-Approved-At: Fri, 01 Apr 2016 11:23:15 +0000 X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 01 Apr 2016 11:08:09 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D206761 --- Comment #13 from CTurt --- (In reply to Stacey Son from comment #9) This patch looks good to me; correctly checks the size of the `xbe_name` and `xbe_interpreter` strings early on, before any out of bounds reads or writes could be performed. --=20 You are receiving this mail because: You are on the CC list for the bug.=