From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Andrew G. Morgan" Subject: Re: [PATCH 2/3] Security: Implement disablenetwork semantics. (v4) Date: Mon, 18 Jan 2010 07:56:47 -0800 Message-ID: <551280e51001180756q2a438d3cv99bbb4e87eb073f4@mail.gmail.com> References: <20100110215409.GA3705@heat> <20100110215848.GA26609@elf.ucw.cz> <5768.1263264853@localhost> <20100112075927.GA24256@atrey.karlin.mff.cuni.cz> <32558.1263306523@localhost> <20100114092250.GA11500@atrey.karlin.mff.cuni.cz> <17852.1263819244@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Pavel Machek , Michael Stone , James Morris , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-security-module@vger.kernel.org, Andi Kleen , David Lang , Oliver Hartkopp , Alan Cox , Herbert Xu , Bryan Donlan , Evgeniy Polyakov , "C. Scott Ananian" , "Eric W. Biederman" , Bernie Innocenti , Mark Seaborn , Randy Dunlap , "Am?rico Wang" , Tetsuo Handa , Samir Bellabes , Casey Schaufler , "Serge E. Hallyn" , Al Viro In-Reply-To: <17852.1263819244@localhost> Sender: linux-security-module-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Mon, Jan 18, 2010 at 4:54 AM, wrote: > (Interestingly enough, the capabilities bug came *later*: > > 8.12.1/8.12.1 =A0 2001/10/01 > =A0 =A0 =A0 =A0SECURITY: Check whether dropping group privileges actu= ally succeeded > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0to avoid possible compromises of the m= ail system by > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0supplying bogus data. =A0Add configura= tion options for > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0different set*gid() calls to reset sav= ed gid. =A0Problem > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0found by Michal Zalewski. > > and was mostly an issue because the same problem existed in pre-8.12 = sendmails > that were still setuid and hadn't upgraded yet... > > I think the above was 'a' sendmail bug. 'The' capabilities bug came bef= ore that: http://userweb.kernel.org/~morgan/sendmail-capabilities-war-story.html Cheers Andrew -- To unsubscribe from this list: send the line "unsubscribe linux-securit= y-module" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html