security advisorydenial of servicedebian
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. . -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - ------------------------------------------------------------------------ Debian Security Advisory DSA-2069-1 This email address is being protected from spambots. You need JavaScript enabled to view it. http://www.debian.org/security/ Raphael Geissert Jul 11, 2010 http://www.debian.org/security/faq - ------------------------------------------------------------------------ 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: Size/MD5 checksum: 1038 46f176d6370f395b9166832d839f667c Size/MD5 checksum: 9957f83f0daa62de96ddd125a57e355997f7 Size/MD5 checksum: 340741 c02fd740c55d5b3a7912f7584344103e alpha architecture (DEC Alpha) Size/MD5 checksum: 1097004 aad70b861a881acc07b62fba1828a987 amd64 architecture (AMD x86_64 (AMD64)) Size/MD5 checksum: 1028912 73e5648afac01653d63993c78f814166 arm architecture (ARM) Size/MD5 checksum: 1151388 a75400496739ef59b8f04369c11adae1 armel architecture (ARM EABI) Size/MD5 checksum: 964152 db8f9e2dd72860c5fc113cdf2d9ffa23 hppa architecture (HP PA RISC) Size/MD5 checksum: 1164930 833ebba997cafa8d98de64f02af58257 i386 architecture (Intel ia32) Size/MD5 checksum: 1012740 8e9428972501db9a05d6f8012a1b58c2 ia64 architecture (Intel ia64) Size/MD5 checksum: 1183340 5ec39e62dde31f9198db0f34ec12b95d mips architecture (MIPS (Big Endian)) Size/MD5 checksum: 916252 c19f7c926422278d2fc29dc3999d837a mipsel architecture (MIPS (Little Endian)) Size/MD5 checksum: 907810 14096b5353a78f6966577c23773d218a powerpc architecture (PowerPC) Size/MD5 checksum: 1036902 dbd1e736e3fe1d8f5e9dddba22166279 s390 architecture (IBM S/390) Size/MD5 checksum: 972040 2ea3615c32521cd15cc5eae7516f85f8 sparc architecture (Sun SPARC/UltraSPARC) Size/MD5 checksum: 1000438 8838f85e71e4d0057b21505c8fcb0b39 These files will probably be moved into the stable distribution on its next update. - --------------------------------------------------------------------------------- For apt-get: deb https://www.debian.org/security/ stable/updates main For dpkg-ftp: 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://www.debian.org/distrib/packages . To mitigate denial of service vulnerabilities in ZNC, follow Debian's security advice by updating your installation and reviewing configurations for security risks. ZNC, Denial of Service, Debian Advisory, Software Update. . Severity: Medium. LinuxSecurity.com Team
Jul 12, 2010
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