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Debian: New unicon-imc2 packages fix buffer overflow Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
Debian Steve Kemp from the Debian Security Audit project discovered that unicon-imc2, a Chinese input method library, makes unsafe use of an environmental variable, which may be exploited to execute arbitary code.
- ------------------------------------------------------------------------
Debian Security Advisory DSA-1328                    security@debian.org
http://www.debian.org/security/                               Steve Kemp
July 01, 2007
- ------------------------------------------------------------------------

Package        : unicon-imc2
Vulnerability  : buffer overflow
Problem type   : local
Debian-specific: no
CVE Id(s)      : CVE-2007-2835


Steve Kemp from the Debian Security Audit project discovered that
unicon-imc2, a Chinese input method library, makes unsafe use of
an environmental variable, which may be exploited to execute arbitary
code.

For the stable distribution (etch) this problem has been fixed in
version 3.0.4-11etch1.

For the unstable distribution (sid) this problem will be fixed shortly.

We recommend that you upgrade your unicon-imc2 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
- -------------------------------

Stable 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/u/unicon/unicon_3.0.4-11etch1.diff.gz
    Size/MD5 checksum:    14966 c3a081d69f9f81055de331690bf85e70
  http://security.debian.org/pool/updates/main/u/unicon/unicon_3.0.4.orig.tar.gz
    Size/MD5 checksum:  5704272 dfb8650debe038f85270b4ad60ad313b
  http://security.debian.org/pool/updates/main/u/unicon/unicon_3.0.4-11etch1.dsc
    Size/MD5 checksum:      603 711b8ba2894e03f257f7d6a74f526563

alpha architecture (DEC Alpha)

  http://security.debian.org/pool/updates/main/u/unicon/unicon-imc2_3.0.4-11etch1_alpha.deb
    Size/MD5 checksum:  4376642 8cfd1066d51dc11862115179be4ce4e4

amd64 architecture (AMD x86_64 (AMD64))

  http://security.debian.org/pool/updates/main/u/unicon/unicon-imc2_3.0.4-11etch1_amd64.deb
    Size/MD5 checksum:  4362080 bad015c61850c9a4fe5d85edc77073fd

arm architecture (ARM)

  http://security.debian.org/pool/updates/main/u/unicon/unicon-imc2_3.0.4-11etch1_arm.deb
    Size/MD5 checksum:  4152566 0d8b6a4a3bab316d49eea2211affea61

hppa architecture (HP PA RISC)

  http://security.debian.org/pool/updates/main/u/unicon/unicon-imc2_3.0.4-11etch1_hppa.deb
    Size/MD5 checksum:  4546634 dbdc37a0fb794ac2d806a1c960ff7c43

i386 architecture (Intel ia32)

  http://security.debian.org/pool/updates/main/u/unicon/unicon-imc2_3.0.4-11etch1_i386.deb
    Size/MD5 checksum:  4153202 24ddede20e4b9ad3b15694275ad9d597

ia64 architecture (Intel ia64)

  http://security.debian.org/pool/updates/main/u/unicon/unicon-imc2_3.0.4-11etch1_ia64.deb
    Size/MD5 checksum:  4387184 c9494e9f38687b4cafb6b291942ddf6a

mipsel architecture (MIPS (Little Endian))

  http://security.debian.org/pool/updates/main/u/unicon/unicon-imc2_3.0.4-11etch1_mipsel.deb
    Size/MD5 checksum:  4159956 05c58cfe2805a3cd5a20171943e241c4

powerpc architecture (PowerPC)

  http://security.debian.org/pool/updates/main/u/unicon/unicon-imc2_3.0.4-11etch1_powerpc.deb
    Size/MD5 checksum:  4516520 cb01b1bbc9bf724b7c6e97231945a964

s390 architecture (IBM S/390)

  http://security.debian.org/pool/updates/main/u/unicon/unicon-imc2_3.0.4-11etch1_s390.deb
    Size/MD5 checksum:  4544838 7c2e4aa746330e0d94417a7254f03714

sparc architecture (Sun SPARC/UltraSPARC)

  http://security.debian.org/pool/updates/main/u/unicon/unicon-imc2_3.0.4-11etch1_sparc.deb
    Size/MD5 checksum:  4501702 246893314e59799c4cabc3353fa8998f


  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
 
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