Linux Security
Linux Security
Linux Security

Debian: DSA-2069-1: New znc packages fix denial of service

Date 11 Jul 2010
157
Posted By LinuxSecurity Advisories
It was discovered that znc, an IRC bouncer, is vulnerable to denial of service attacks via a NULL pointer dereference when traffic statistics are requested while there is an unauthenticated connection.
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Debian Security Advisory DSA-2069-1                  This email address is being protected from spambots. You need JavaScript enabled to view it.
https://www.debian.org/security/                         Raphael Geissert
Jul 11, 2010                          https://www.debian.org/security/faq
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Package        : znc
Vulnerability  : denial of service
Problem type   : remote
Debian-specific: no
CVE Id(s)      : CVE-2010-2448
Debian Bug     : 584929

It was discovered that znc, an IRC bouncer, is vulnerable to denial
of service attacks via a NULL pointer dereference when traffic
statistics are requested while there is an unauthenticated connection.

For the stable distribution (lenny), the problem has been fixed in
version 0.058-2+lenny4.

For the testing distribution (squeeze) and the unstable distribution (sid),
the problem has been fixed in version 0.090-2.


We recommend that you upgrade your znc 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 (stable) alias lenny
- --------------------------------

Stable updates are available for alpha, amd64, arm, armel, hppa, i386, ia64, 
mips, mipsel, powerpc, s390 and sparc.

Source archives:

  https://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4.dsc
    Size/MD5 checksum:     1038 46f176d6370f395b9166832d839f667c
  https://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4.diff.gz
    Size/MD5 checksum:     9957 f83f0daa62de96ddd125a57e355997f7
  https://security.debian.org/pool/updates/main/z/znc/znc_0.058.orig.tar.gz
    Size/MD5 checksum:   340741 c02fd740c55d5b3a7912f7584344103e

alpha architecture (DEC Alpha)

  https://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4_alpha.deb
    Size/MD5 checksum:  1097004 aad70b861a881acc07b62fba1828a987

amd64 architecture (AMD x86_64 (AMD64))

  https://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4_amd64.deb
    Size/MD5 checksum:  1028912 73e5648afac01653d63993c78f814166

arm architecture (ARM)

  https://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4_arm.deb
    Size/MD5 checksum:  1151388 a75400496739ef59b8f04369c11adae1

armel architecture (ARM EABI)

  https://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4_armel.deb
    Size/MD5 checksum:   964152 db8f9e2dd72860c5fc113cdf2d9ffa23

hppa architecture (HP PA RISC)

  https://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4_hppa.deb
    Size/MD5 checksum:  1164930 833ebba997cafa8d98de64f02af58257

i386 architecture (Intel ia32)

  https://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4_i386.deb
    Size/MD5 checksum:  1012740 8e9428972501db9a05d6f8012a1b58c2

ia64 architecture (Intel ia64)

  https://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4_ia64.deb
    Size/MD5 checksum:  1183340 5ec39e62dde31f9198db0f34ec12b95d

mips architecture (MIPS (Big Endian))

  https://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4_mips.deb
    Size/MD5 checksum:   916252 c19f7c926422278d2fc29dc3999d837a

mipsel architecture (MIPS (Little Endian))

  https://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4_mipsel.deb
    Size/MD5 checksum:   907810 14096b5353a78f6966577c23773d218a

powerpc architecture (PowerPC)

  https://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4_powerpc.deb
    Size/MD5 checksum:  1036902 dbd1e736e3fe1d8f5e9dddba22166279

s390 architecture (IBM S/390)

  https://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4_s390.deb
    Size/MD5 checksum:   972040 2ea3615c32521cd15cc5eae7516f85f8

sparc architecture (Sun SPARC/UltraSPARC)

  https://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4_sparc.deb
    Size/MD5 checksum:  1000438 8838f85e71e4d0057b21505c8fcb0b39


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

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For apt-get: deb https://security.debian.org/ stable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security 
dists/stable/updates/main
Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.
Package info: `apt-cache show ' and https://packages.debian.org/

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