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AUSCERT External Security Bulletin Redistribution
ESB-2010.0606
New znc packages fix denial of service
12 July 2010
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AusCERT Security Bulletin Summary
---------------------------------
Product: znc
Publisher: Debian
Operating System: Debian GNU/Linux 5
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2010-2448
Original Bulletin:
http://www.debian.org/security/2010/dsa-2069
Comment: This advisory references vulnerabilities in products which run on
platforms other than Debian. It is recommended that administrators
running znc check for an updated version of the software for their
operating system.
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Debian Security Advisory DSA-2069-1 security@debian.org
http://www.debian.org/security/ Raphael Geissert
Jul 11, 2010 http://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
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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/z/znc/znc_0.058-2+lenny4.dsc
Size/MD5 checksum: 1038 46f176d6370f395b9166832d839f667c
http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4.diff.gz
Size/MD5 checksum: 9957 f83f0daa62de96ddd125a57e355997f7
http://security.debian.org/pool/updates/main/z/znc/znc_0.058.orig.tar.gz
Size/MD5 checksum: 340741 c02fd740c55d5b3a7912f7584344103e
alpha architecture (DEC Alpha)
http://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))
http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4_amd64.deb
Size/MD5 checksum: 1028912 73e5648afac01653d63993c78f814166
arm architecture (ARM)
http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4_arm.deb
Size/MD5 checksum: 1151388 a75400496739ef59b8f04369c11adae1
armel architecture (ARM EABI)
http://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)
http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4_hppa.deb
Size/MD5 checksum: 1164930 833ebba997cafa8d98de64f02af58257
i386 architecture (Intel ia32)
http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4_i386.deb
Size/MD5 checksum: 1012740 8e9428972501db9a05d6f8012a1b58c2
ia64 architecture (Intel ia64)
http://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))
http://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))
http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4_mipsel.deb
Size/MD5 checksum: 907810 14096b5353a78f6966577c23773d218a
powerpc architecture (PowerPC)
http://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)
http://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)
http://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 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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