From nobody Wed Jul 03 02:53:17 2024 X-Original-To: questions@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4WDPVn08Ctz5Q76p for ; Wed, 03 Jul 2024 02:53:53 +0000 (UTC) (envelope-from brett@lariat.net) Received: from mail.lariat.net (mail.lariat.net [66.62.230.51]) by mx1.freebsd.org (Postfix) with ESMTP id 4WDPVm4CdMz4Z4D for ; Wed, 3 Jul 2024 02:53:52 +0000 (UTC) (envelope-from brett@lariat.net) Authentication-Results: mx1.freebsd.org; none Received: from Toshi.lariat.net (localhost.lariat.org [127.0.0.1]) by mail.lariat.net (8.9.3/8.9.3) with ESMTP id UAA07651; Tue, 2 Jul 2024 20:53:23 -0600 (MDT) Message-Id: <202407030253.UAA07651@mail.lariat.net> X-Mailer: QUALCOMM Windows Eudora Version 7.1.0.9 Date: Tue, 02 Jul 2024 20:53:17 -0600 To: Dan Mahoney From: Brett Glass Subject: Re: Close OpenSSH hole on 13.1-RELEASE server without shutting down? Cc: questions@freebsd.org In-Reply-To: References: <202407030050.SAA06884@mail.lariat.net> List-Id: User questions List-Archive: https://lists.freebsd.org/archives/freebsd-questions List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-questions@freebsd.org Sender: owner-freebsd-questions@FreeBSD.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed X-Spamd-Bar: ---- X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:19092, ipnet:66.62.228.0/22, country:US] X-Rspamd-Queue-Id: 4WDPVm4CdMz4Z4D At 07:03 PM 7/2/2024, Dan Mahoney wrote: >There is a workaround posted in the security advisory. Unfortunately, the "workaround" is in many ways as bad as the vulnerability, because it exposes you to DoS attacks. >You can also firewall off ssh connections from anywhere but trusted sources. Yep. But if a worm based on this vulnerability begins to propagate, it might get behind the firewall. We really want to patch. --Brett