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Debian Security Advisory DSA 141-1 security@debian.org
http://www.debian.org/security/ Martin Schulze
August 1st, 2002
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Package : mpack
Vulnerability : buffer overflow
Problem-Type : remote
Debian-specific: no
Eckehard Berns discovered a buffer overflow in the munpack program
which is used for decoding (respectively) binary files in MIME
(Multipurpose Internet Mail Extensions) format mail messages. If
munpack is run on an appropriately malformed email (or news article)
then it will crash, and perhaps can be made to run arbitrary code.
Herbert Xu reported a second vulnerability which affected malformed
filenames that refer to files in upper directories like "../a". The
security impact is limited, though, because only a single leading
"../" was accepted and only new files can be created (i.e. no files
will be overwritten).
Both problems were been fixed in version 1.5-5potato2 for the old
stable distribution (potato), in version 1.5-7woody2 for the current
stable distribution (woody) and in version 1.5-9 for the unstable
distribution (sid).
We recommend that you upgrade your mpack package immediately.
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 2.2 alias potato
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Source archives:
http://security.debian.org/pool/updates/main/m/mpack/mpack_1.5-5potato2.dsc
Size/MD5 checksum: 527 96670945b237c260638c859e38e8aaaa
http://security.debian.org/pool/updates/main/m/mpack/mpack_1.5-5potato2.diff.gz
Size/MD5 checksum: 3200 60abfda1db9175fdee0efe10d8bebf9b
http://security.debian.org/pool/updates/main/m/mpack/mpack_1.5.orig.tar.gz
Size/MD5 checksum: 154859 c1914b27d02f830c3872973c342d5d9e
Alpha architecture:
http://security.debian.org/pool/updates/main/m/mpack/mpack_1.5-5potato2_alpha.deb
Size/MD5 checksum: 50602 7ecd69d7a2e0ae49aa0aae3803ea75eb
ARM architecture:
http://security.debian.org/pool/updates/main/m/mpack/mpack_1.5-5potato2_arm.deb
Size/MD5 checksum: 40266 c1d2a70472b84fd0b0f5f8c135c42d27
Intel IA-32 architecture:
http://security.debian.org/pool/updates/main/m/mpack/mpack_1.5-5potato2_i386.deb
Size/MD5 checksum: 34576 77de4d66ac154790edcae66113b7a639
Motorola 680x0 architecture:
http://security.debian.org/pool/updates/main/m/mpack/mpack_1.5-5potato2_m68k.deb
Size/MD5 checksum: 33228 ce7175e3ce4122eeac14d7477c51cd84
PowerPC architecture:
http://security.debian.org/pool/updates/main/m/mpack/mpack_1.5-5potato2_powerpc.deb
Size/MD5 checksum: 40502 d33adcda017f7b757554ee025dc362b8
Sun Sparc architecture:
http://security.debian.org/pool/updates/main/m/mpack/mpack_1.5-5potato2_sparc.deb
Size/MD5 checksum: 45078 3b7858416e6a1e90b80b9d459d51d6e5
Debian GNU/Linux 3.0 alias woody
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Source archives:
http://security.debian.org/pool/updates/main/m/mpack/mpack_1.5-7woody2.dsc
Size/MD5 checksum: 523 4204582ee8d21fe861b7f1dc8cd92546
http://security.debian.org/pool/updates/main/m/mpack/mpack_1.5-7woody2.diff.gz
Size/MD5 checksum: 3915 d67bd3a65f5f020f791c17cdee3ad55f
http://security.debian.org/pool/updates/main/m/mpack/mpack_1.5.orig.tar.gz
Size/MD5 checksum: 154859 c1914b27d02f830c3872973c342d5d9e
Alpha architecture:
http://security.debian.org/pool/updates/main/m/mpack/mpack_1.5-7woody2_alpha.deb
Size/MD5 checksum: 49442 c991dd1e3c4623b1ac9bb46dd9025551
ARM architecture:
http://security.debian.org/pool/updates/main/m/mpack/mpack_1.5-7woody2_arm.deb
Size/MD5 checksum: 40526 83fd03952908fa7f399243940f20e4d1
Intel IA-32 architecture:
http://security.debian.org/pool/updates/main/m/mpack/mpack_1.5-7woody2_i386.deb
Size/MD5 checksum: 35090 7765259cd9b990caa39452fc67050187
Intel IA-64 architecture:
http://security.debian.org/pool/updates/main/m/mpack/mpack_1.5-7woody2_ia64.deb
Size/MD5 checksum: 59156 7cb1c76fe9f1f7d87e0981878edf2d2e
HP Precision architecture:
http://security.debian.org/pool/updates/main/m/mpack/mpack_1.5-7woody2_hppa.deb
Size/MD5 checksum: 45454 3a49ec1a19a527346c129aa2c1797df8
Motorola 680x0 architecture:
http://security.debian.org/pool/updates/main/m/mpack/mpack_1.5-7woody2_m68k.deb
Size/MD5 checksum: 33912 4398d8c029716ca766dff016c8753185
Big endian MIPS architecture:
http://security.debian.org/pool/updates/main/m/mpack/mpack_1.5-7woody2_mips.deb
Size/MD5 checksum: 44182 7a6a0f8654618ff1f960e6c367357c9f
Little endian MIPS architecture:
http://security.debian.org/pool/updates/main/m/mpack/mpack_1.5-7woody2_mipsel.deb
Size/MD5 checksum: 44258 3a12139d051497e5ad4177e704801c72
PowerPC architecture:
http://security.debian.org/pool/updates/main/m/mpack/mpack_1.5-7woody2_powerpc.deb
Size/MD5 checksum: 40842 f1274abbe5fb400734c856093e069d85
IBM S/390 architecture:
http://security.debian.org/pool/updates/main/m/mpack/mpack_1.5-7woody2_s390.deb
Size/MD5 checksum: 39906 2207f7237298a17e6f62074261c61def
Sun Sparc architecture:
http://security.debian.org/pool/updates/main/m/mpack/mpack_1.5-7woody2_sparc.deb
Size/MD5 checksum: 46366 165ad9ca7a4cf9590c3d6ed3872d1b64
These files will probably be moved into the stable distribution on
its next revision.
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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>
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