DSA-2069-1 znc -- denial of service

Debian Security Advisory

DSA-2069-1 znc -- denial of service

Date Reported:

11 Jul 2010

Affected Packages:

znc

Vulnerable:

Yes

Security database references:

In the Debian bugtracking system: Bug 584929.
In Mitre's CVE dictionary: CVE-2010-2448.

More information:

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.

Fixed in:

Debian GNU/Linux 5.0 (stable)

Source:

http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4.dsc

http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4.diff.gz

http://security.debian.org/pool/updates/main/z/znc/znc_0.058.orig.tar.gz

Alpha:

http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4_alpha.deb

AMD64:

http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4_amd64.deb

ARM:

http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4_arm.deb

ARM EABI:

http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4_armel.deb

HP Precision:

http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4_hppa.deb

Intel IA-32:

http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4_i386.deb

Intel IA-64:

http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4_ia64.deb

Big-endian MIPS:

http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4_mips.deb

Little-endian MIPS:

http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4_mipsel.deb

PowerPC:

http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4_powerpc.deb

IBM S/390:

http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4_s390.deb

Sun Sparc:

http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny4_sparc.deb

MD5 checksums of the listed files are available in the original advisory.