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Debian Security Advisory DSA-2102-1                  security@debian.org
http://www.debian.org/security/                       Sébastien Delafond
Sep 3, 2010                           http://www.debian.org/security/faq
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Package        : barnowl
Vulnerability  : unchecked return value
Problem type   : remote
Debian-specific: no
CVE Id         : CVE-2010-2725
Debian Bug     : 593299

It has been discovered that in barnowl, a curses-based instant-messaging
client, the return codes of calls to the ZPending and ZReceiveNotice
functions in libzephyr were not checked, allowing attackers to cause a
denial of service (crash of the application), and possibly execute
arbitrary code.

For the stable distribution (lenny), this problem has been fixed in
version 1.0.1-4+lenny2.

For the testing distribution (squeeze), this problem has been fixed in
version 1.6.2-1.

For the unstable distribution (sid), this problem has been fixed in
version 1.6.2-1.

We recommend that you upgrade your barnowl 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 5.0 alias lenny
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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/b/barnowl/barnowl_1.0.1.orig.tar.gz
    Size/MD5 checksum:   606923 5036fe3559becc5fa81de9a4dc028767
  http://security.debian.org/pool/updates/main/b/barnowl/barnowl_1.0.1-4+lenny2.dsc
    Size/MD5 checksum:     1131 2cf38ea3565cbc819c2599045d41e594
  http://security.debian.org/pool/updates/main/b/barnowl/barnowl_1.0.1-4+lenny2.diff.gz
    Size/MD5 checksum:    17407 6eef7b2e31097c85d1fce993e9d08f27

Architecture independent packages:

  http://security.debian.org/pool/updates/main/b/barnowl/barnowl-irc_1.0.1-4+lenny2_all.deb
    Size/MD5 checksum:    39502 7dd6dd51b6f8fbb189e174390973d0e0

alpha architecture (DEC Alpha)

  http://security.debian.org/pool/updates/main/b/barnowl/barnowl_1.0.1-4+lenny2_alpha.deb
    Size/MD5 checksum:   521794 5e8b418204f0ea86cf2d44333c3df11f

amd64 architecture (AMD x86_64 (AMD64))

  http://security.debian.org/pool/updates/main/b/barnowl/barnowl_1.0.1-4+lenny2_amd64.deb
    Size/MD5 checksum:   498014 191fb4aa4ab528baf40b59f18d7eb36c

arm architecture (ARM)

  http://security.debian.org/pool/updates/main/b/barnowl/barnowl_1.0.1-4+lenny2_arm.deb
    Size/MD5 checksum:   453436 42b05b0c60b5c90129605c34daffcf11

armel architecture (ARM EABI)

  http://security.debian.org/pool/updates/main/b/barnowl/barnowl_1.0.1-4+lenny2_armel.deb
    Size/MD5 checksum:   453674 ef893ba37cebe84bf3af1bed1e16b1af

hppa architecture (HP PA RISC)

  http://security.debian.org/pool/updates/main/b/barnowl/barnowl_1.0.1-4+lenny2_hppa.deb
    Size/MD5 checksum:   485238 f482a5079043bb2955751b535f60c1c5

i386 architecture (Intel ia32)

  http://security.debian.org/pool/updates/main/b/barnowl/barnowl_1.0.1-4+lenny2_i386.deb
    Size/MD5 checksum:   468532 e70847f4b14dde80a4afcbf095f738bf

ia64 architecture (Intel ia64)

  http://security.debian.org/pool/updates/main/b/barnowl/barnowl_1.0.1-4+lenny2_ia64.deb
    Size/MD5 checksum:   580308 44a07fa48b54dca15fed0c158129c3a8

mips architecture (MIPS (Big Endian))

  http://security.debian.org/pool/updates/main/b/barnowl/barnowl_1.0.1-4+lenny2_mips.deb
    Size/MD5 checksum:   461644 69976cc4a85f19bf4efe074800833baa

mipsel architecture (MIPS (Little Endian))

  http://security.debian.org/pool/updates/main/b/barnowl/barnowl_1.0.1-4+lenny2_mipsel.deb
    Size/MD5 checksum:   460558 1a8aca0efbb4b986a15f202f7cc4c638

powerpc architecture (PowerPC)

  http://security.debian.org/pool/updates/main/b/barnowl/barnowl_1.0.1-4+lenny2_powerpc.deb
    Size/MD5 checksum:   485170 3389955dfaea0e8eadd03a944e6e9ab8

s390 architecture (IBM S/390)

  http://security.debian.org/pool/updates/main/b/barnowl/barnowl_1.0.1-4+lenny2_s390.deb
    Size/MD5 checksum:   488548 4f49e79c9d4cb4d0af71f846521c21fa

sparc architecture (Sun SPARC/UltraSPARC)

  http://security.debian.org/pool/updates/main/b/barnowl/barnowl_1.0.1-4+lenny2_sparc.deb
    Size/MD5 checksum:   463242 ed7a0bd6e9330b3cf534e8069cbce8c4


  These files will probably be moved into the stable distribution on
  its next update.

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