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Re: [SECURITY] [DSA 1981-2] New maildrop packages fix regression



Hi

For the record, I answered him in German and sent the patch that can be 
extracted by comparing the old and the new version via debdiff.

Cheers
Steffen

> sorry to bug you directly but i could not find any specific information
> on the mentioned cve. my questions:
> 
> a) we're still running maildrop 1.6, is this also vulnerable?
> b) could you please send me the diff that was applied to fix this cve?
> 
> thank you very much in advance!
> 
> jürgen herrmann
> 
> On Thu, 28 Jan 2010 21:19:50 +0100 (CET), white@debian.org (Steffen
> Joeris)
> 
> wrote:
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> >
> > -
> 
> ------------------------------------------------------------------------
> 
> > Debian Security Advisory DSA-1981-2                  security@debian.org
> > http://www.debian.org/security/                      Steffen Joeris
> > January 28, 2010                      http://www.debian.org/security/faq
> > -
> 
> ------------------------------------------------------------------------
> 
> > Package        : maildrop
> > Vulnerability  : privilege escalation
> > Problem type   : local
> > Debian-specific: no
> > CVE Id         : CVE-2010-0301
> > Debian Bug     : 564601
> >
> > The latest DSA for maildrop introduced two regressions. The maildrop
> > program stopped working when invoked as a non-root user, such as with
> > postfix. Also, the lenny version dropped a dependency on the
> > courier-authlib package.
> >
> >
> > For the stable distribution (lenny), this problem has been fixed in
> > version 2.0.4-3+lenny3.
> >
> > For the oldstable distribution (etch), this problem has been fixed in
> > version 2.0.2-11+etch2.
> >
> > For the testing distribution (squeeze) this problem will be fixed soon.
> >
> > For the unstable distribution (sid), this problem has been fixed in
> > version 2.2.0-3.1.
> >
> > For reference, the original advisory text is below.
> >
> > Christoph Anton Mitterer discovered that maildrop, a mail delivery agent
> > with filtering abilities, is prone to a privilege escalation issue that
> > grants a user root group privileges.
> >
> > We recommend that you upgrade your maildrop packages.
> >
> >
> > Upgrade instructions
> > - --------------------
> >
> > wget url
> >         will fetch the file for you
> > dpkg -i file.deb
> >         will install the referenced file.
> >
> > If you are using the apt-get package manager, use the line for
> > sources.list as given below:
> >
> > apt-get update
> >         will update the internal database
> > apt-get upgrade
> >         will install corrected packages
> >
> > You may use an automated update by adding the resources from the
> > footer to the proper configuration.
> >
> >
> > Debian GNU/Linux 4.0 alias etch
> > - -------------------------------
> >
> > Debian (oldstable)
> > - ------------------
> >
> > Oldstable updates are available for alpha, amd64, arm, hppa, i386, ia64,
> > mips, mipsel, powerpc, s390 and sparc.
> >
> > Source archives:
> 
> http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.2-11+e
> tch2.dsc
> 
> >     Size/MD5 checksum:      736 280d7371f21cd78c4977d65967f4695c
> 
> http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.2-11+e
> tch2.diff.gz
> 
> >     Size/MD5 checksum:    13965 269c15cb493be7357dc5d8a8acbad25d
> 
> http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.2.orig
> .tar.gz
> 
> >     Size/MD5 checksum:  3217622 d799e44aa65027a02343e5e08b97f3a0
> >
> > alpha architecture (DEC Alpha)
> 
> http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.2-11+e
> tch2_alpha.deb
> 
> >     Size/MD5 checksum:   398482 c4dcbec55c55dff97a738617b367f517
> >
> > amd64 architecture (AMD x86_64 (AMD64))
> 
> http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.2-11+e
> tch2_amd64.deb
> 
> >     Size/MD5 checksum:   363478 94687bb12867af71bcf9680f089e422f
> >
> > arm architecture (ARM)
> 
> http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.2-11+e
> tch2_arm.deb
> 
> >     Size/MD5 checksum:   350004 513a26c626071a4d58abbbc22a7f9f4b
> >
> > hppa architecture (HP PA RISC)
> 
> http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.2-11+e
> tch2_hppa.deb
> 
> >     Size/MD5 checksum:   388388 ce6100257045fe40df77af384d5d2b51
> >
> > i386 architecture (Intel ia32)
> 
> http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.2-11+e
> tch2_i386.deb
> 
> >     Size/MD5 checksum:   355890 07f603a68d05bf05f9fad916f9de51e0
> >
> > ia64 architecture (Intel ia64)
> 
> http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.2-11+e
> tch2_ia64.deb
> 
> >     Size/MD5 checksum:   470078 78f1972ef14698a20d5c181b90dd31e7
> >
> > mipsel architecture (MIPS (Little Endian))
> 
> http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.2-11+e
> tch2_mipsel.deb
> 
> >     Size/MD5 checksum:   376390 678ed61359f44e3bb9161d03e4b6675f
> >
> > powerpc architecture (PowerPC)
> 
> http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.2-11+e
> tch2_powerpc.deb
> 
> >     Size/MD5 checksum:   358184 c76433b354ed838938340a06a7f93cd2
> >
> >
> > Debian GNU/Linux 5.0 alias lenny
> > - --------------------------------
> >
> > Debian (stable)
> > - ---------------
> >
> > Stable updates are available for alpha, amd64, arm, armel, hppa, i386,
> > ia64, mips, mipsel, powerpc, s390 and sparc.
> >
> > Source archives:
> 
> http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.4.orig
> .tar.gz
> 
> >     Size/MD5 checksum:  3566630 78e6c27afe7eff9e132b8bc20087aae7
> 
> http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.4-3+le
> nny3.diff.gz
> 
> >     Size/MD5 checksum:   807850 15846a840e3bad8301778630d7e7bf24
> 
> http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.4-3+le
> nny3.dsc
> 
> >     Size/MD5 checksum:     1137 826da92ceb403b0e0778c3609c109a1e
> >
> > alpha architecture (DEC Alpha)
> 
> http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.4-3+le
> nny3_alpha.deb
> 
> >     Size/MD5 checksum:   402062 21c37f944be6d5b02544acb17c521681
> >
> > amd64 architecture (AMD x86_64 (AMD64))
> 
> http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.4-3+le
> nny3_amd64.deb
> 
> >     Size/MD5 checksum:   371772 18b875356d68e326c51decf8061eff99
> >
> > hppa architecture (HP PA RISC)
> 
> http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.4-3+le
> nny3_hppa.deb
> 
> >     Size/MD5 checksum:   389098 c59222e68d068e2d68db475854b8f52d
> >
> > i386 architecture (Intel ia32)
> 
> http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.4-3+le
> nny3_i386.deb
> 
> >     Size/MD5 checksum:   359508 340a509db515cd0d4e9af017871d0f80
> >
> > ia64 architecture (Intel ia64)
> 
> http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.4-3+le
> nny3_ia64.deb
> 
> >     Size/MD5 checksum:   466646 826d66a3b3bc85492bf45f9552db15ca
> >
> > mips architecture (MIPS (Big Endian))
> 
> http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.4-3+le
> nny3_mips.deb
> 
> >     Size/MD5 checksum:   375330 c0c80404e33608fdc46d007d7ad97c08
> >
> > mipsel architecture (MIPS (Little Endian))
> 
> http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.4-3+le
> nny3_mipsel.deb
> 
> >     Size/MD5 checksum:   376072 ece64fb17424086e64dd5cb84604f80b
> >
> > powerpc architecture (PowerPC)
> 
> http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.4-3+le
> nny3_powerpc.deb
> 
> >     Size/MD5 checksum:   379196 3cd9eb52eb8a14feebd37be8578f467f
> >
> >
> >   These files will probably be moved into the stable distribution on
> >   its next update.
> >
> > -
> 
> ---------------------------------------------------------------------------
> ------
> 
> > For apt-get: deb http://security.debian.org/ stable/updates main
> > For dpkg-ftp: ftp://security.debian.org/debian-security
> > dists/stable/updates/main
> > Mailing list: debian-security-announce@lists.debian.org
> > Package info: `apt-cache show <pkg>' and
> 
> http://packages.debian.org/<pkg>
> 
> > -----BEGIN PGP SIGNATURE-----
> > Version: GnuPG v1.4.10 (GNU/Linux)
> >
> > iEYEARECAAYFAkth8TEACgkQ62zWxYk/rQeHfQCeKQULh1XAWPADGpWDuNVrnd/R
> > krMAoI+R63iKeQXMnV/B7CHJN2XqihGQ
> > =Q1oS
> > -----END PGP SIGNATURE-----
> >
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