Articles / Debian: New link-grammar pa…

Debian: New link-grammar packages fix execution of code

Alin Rad Pop discovered that link-grammar, Carnegie Mellon University's link grammar parser for English, performed insufficient validation within its tokenizer, which could allow a malicious input file to execute arbitrary code. Fixed packages are available from security.debian.org.
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- ------------------------------------------------------------------------
Debian Security Advisory DSA-1432-1                  security@debian.org
http://www.debian.org/security/                               Steve Kemp
December 16, 2007                     http://www.debian.org/security/faq
- ------------------------------------------------------------------------

Package        : link-grammar
Vulnerability  : buffer overflow
Problem type   : local
Debian-specific: no
CVE Id(s)      : CVE-2007-5395
Debian Bug     : 450695

Alin Rad Pop discovered that link-grammar, Carnegie Mellon University's
link grammar parser for English, performed insufficient validation within
its tokenizer, which could allow a malicious input file to execute
arbitrary code.

For the stable distribution (etch), this problem has been fixed in version
4.2.2-4etch1.

For the old stable distribution (sarge), this package was not present.

For the unstable distribution (sid), this problem was fixed in version
4.2.5-1.

We recommend that you upgrade your link-grammar package.


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
- -------------------------------

Source archives:

 http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar_4.2.2.orig.tar.gz
   Size/MD5 checksum:   742163 798c165b7d7f26e60925c30515c45782
 http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar_4.2.2-4etch1.dsc
   Size/MD5 checksum:      669 535a962c3aefbf92b3d09bd9355d3b57
 http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar_4.2.2-4etch1.diff.gz
   Size/MD5 checksum:     8231 fa03dfbb7a2e0a47130c9f1385eb48d3

Architecture independent packages:

 http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar-dictionaries-en_4.2.2-4etch1_all.deb
   Size/MD5 checksum:   267530 52ef5d6278b5f8a5a0c0894b3d99235e

alpha architecture (DEC Alpha)

 http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4-dev_4.2.2-4etch1_alpha.deb
   Size/MD5 checksum:   169386 f866bf37b179cf8f1c31f13b0ab9100a
 http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar_4.2.2-4etch1_alpha.deb
   Size/MD5 checksum:    16666 14b288d946738d5eefed5dc50e84040f
 http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4_4.2.2-4etch1_alpha.deb
   Size/MD5 checksum:   108456 826d5896c36850255bedfcc3b70a8ea1

amd64 architecture (AMD x86_64 (AMD64))

 http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar_4.2.2-4etch1_amd64.deb
   Size/MD5 checksum:    16038 ea80489f9db4f247d5009bf435f40707
 http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4_4.2.2-4etch1_amd64.deb
   Size/MD5 checksum:    95996 0851ea02bd3b4b600d68df09016915cf
 http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4-dev_4.2.2-4etch1_amd64.deb
   Size/MD5 checksum:   127934 a43908000f552820cdcd2c1a7819f62f

arm architecture (ARM)

 http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar_4.2.2-4etch1_arm.deb
   Size/MD5 checksum:    15074 5a881ae17e13efc9ae731b9f86d7a0ff
 http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4-dev_4.2.2-4etch1_arm.deb
   Size/MD5 checksum:   110896 54d4534ce7a06ed675d9c4d2c957e519
 http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4_4.2.2-4etch1_arm.deb
   Size/MD5 checksum:    87732 5dfce7e3245ab16bbab0f2325d462192

hppa architecture (HP PA RISC)

 http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar_4.2.2-4etch1_hppa.deb
   Size/MD5 checksum:    16202 3f8cbe2ab057f5d3b387c1e52e4e9e51
 http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4-dev_4.2.2-4etch1_hppa.deb
   Size/MD5 checksum:   139488 2411aae738f8467e4180debc87b265ee
 http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4_4.2.2-4etch1_hppa.deb
   Size/MD5 checksum:   104292 105899d1fa1a37a2690a6d3372572912

i386 architecture (Intel ia32)

 http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar_4.2.2-4etch1_i386.deb
   Size/MD5 checksum:    15458 9b43845e6fdb26319c4dd3d88afe5fb4
 http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4_4.2.2-4etch1_i386.deb
   Size/MD5 checksum:    89456 ffa178b41a336d1a9e11bca02a3d2232
 http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4-dev_4.2.2-4etch1_i386.deb
   Size/MD5 checksum:   111356 50b911abcf134bffe48bd599b7c42050

ia64 architecture (Intel ia64)

 http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4-dev_4.2.2-4etch1_ia64.deb
   Size/MD5 checksum:   190852 a4e0f03a7d7f6d2e463eda96f62205ab
 http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar_4.2.2-4etch1_ia64.deb
   Size/MD5 checksum:    18526 ac56d42bb0e8d3922f0a57627a4c9ec0
 http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4_4.2.2-4etch1_ia64.deb
   Size/MD5 checksum:   142350 3c8decefa958c50420aec4ec220feaec

mips architecture (MIPS (Big Endian))

 http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4-dev_4.2.2-4etch1_mips.deb
   Size/MD5 checksum:   138736 443874945980a7625c0bbc29e29d8ffc
 http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4_4.2.2-4etch1_mips.deb
   Size/MD5 checksum:    93814 a17d5189ae4289f0a0d7277ddcf23ecd
 http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar_4.2.2-4etch1_mips.deb
   Size/MD5 checksum:    15892 d469f682c72fcb82aed2afa9c3f85f6e

mipsel architecture (MIPS (Little Endian))

 http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4-dev_4.2.2-4etch1_mipsel.deb
   Size/MD5 checksum:   138978 56e715e3bba5245263e5ba35ae78276d
 http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar_4.2.2-4etch1_mipsel.deb
   Size/MD5 checksum:    15874 1c56d7f76d827c9e7a9074ec3faab791
 http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4_4.2.2-4etch1_mipsel.deb
   Size/MD5 checksum:    94188 a13cf0d9c8978b8bde4610fd0b58b791

powerpc architecture (PowerPC)

 http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4_4.2.2-4etch1_powerpc.deb
   Size/MD5 checksum:    94278 e4eaa7e42cae572c443d9863d6cc0ca4
 http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4-dev_4.2.2-4etch1_powerpc.deb
   Size/MD5 checksum:   129248 e3cd1c0cc74d868f26f63881700e5ec5
 http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar_4.2.2-4etch1_powerpc.deb
   Size/MD5 checksum:    15554 191ccfa13898e334792113b52dbe35c5

s390 architecture (IBM S/390)

 http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4-dev_4.2.2-4etch1_s390.deb
   Size/MD5 checksum:   124790 cda7a4e0b8ed670be66f10a867cf77e9
 http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar_4.2.2-4etch1_s390.deb
   Size/MD5 checksum:    16248 9d356c1a11def3e93e166d0bd7f07b18
 http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4_4.2.2-4etch1_s390.deb
   Size/MD5 checksum:   104892 1ed12c7feb9f4635702dd7e0e81ce173

sparc architecture (Sun SPARC/UltraSPARC)

 http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4-dev_4.2.2-4etch1_sparc.deb
   Size/MD5 checksum:   117854 dfb8639578fbddf0e41ec5bb99bec976
 http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar_4.2.2-4etch1_sparc.deb
   Size/MD5 checksum:    15262 da06736b13a0460c99f41827a98d0dc3
 http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4_4.2.2-4etch1_sparc.deb
   Size/MD5 checksum:    89930 24ddd7a5de3484626f89e8c5023243b3


 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 ' and http://packages.debian.org/
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