DSA-699-1 netkit-telnet-ssl -- buffer overflow

Related Vulnerabilities: CVE-2005-0469  

Gaël Delalleau discovered a buffer overflow in the handling of the LINEMODE suboptions in telnet clients. This can lead to the execution of arbitrary code when connected to a malicious server. For the stable distribution (woody) this problem has been fixed in version 0.17.17+0.1-2woody4. For the unstable distribution (sid) these problems have been fixed in version 0.17.24+0.1-8. We recommend that you upgrade your telnet-ssl package.

Debian Security Advisory

DSA-699-1 netkit-telnet-ssl -- buffer overflow

Date Reported:
29 Mar 2005
Affected Packages:
netkit-telnet-ssl
Vulnerable:
Yes
Security database references:
In Mitre's CVE dictionary: CVE-2005-0469.
CERT's vulnerabilities, advisories and incident notes: VU#291924.
More information:

Gaël Delalleau discovered a buffer overflow in the handling of the LINEMODE suboptions in telnet clients. This can lead to the execution of arbitrary code when connected to a malicious server.

For the stable distribution (woody) this problem has been fixed in version 0.17.17+0.1-2woody4.

For the unstable distribution (sid) these problems have been fixed in version 0.17.24+0.1-8.

We recommend that you upgrade your telnet-ssl package.

Fixed in:

Debian GNU/Linux 3.0 (woody)

Source:
http://security.debian.org/pool/updates/main/n/netkit-telnet-ssl/netkit-telnet-ssl_0.17.17+0.1-2woody4.dsc
http://security.debian.org/pool/updates/main/n/netkit-telnet-ssl/netkit-telnet-ssl_0.17.17+0.1-2woody4.diff.gz
http://security.debian.org/pool/updates/main/n/netkit-telnet-ssl/netkit-telnet-ssl_0.17.17+0.1.orig.tar.gz
Alpha:
http://security.debian.org/pool/updates/main/n/netkit-telnet-ssl/telnet-ssl_0.17.17+0.1-2woody4_alpha.deb
http://security.debian.org/pool/updates/main/n/netkit-telnet-ssl/telnetd-ssl_0.17.17+0.1-2woody4_alpha.deb
ARM:
http://security.debian.org/pool/updates/main/n/netkit-telnet-ssl/telnet-ssl_0.17.17+0.1-2woody3_arm.deb
http://security.debian.org/pool/updates/main/n/netkit-telnet-ssl/telnetd-ssl_0.17.17+0.1-2woody3_arm.deb
Intel IA-32:
http://security.debian.org/pool/updates/main/n/netkit-telnet-ssl/telnet-ssl_0.17.17+0.1-2woody4_i386.deb
http://security.debian.org/pool/updates/main/n/netkit-telnet-ssl/telnetd-ssl_0.17.17+0.1-2woody4_i386.deb
Intel IA-64:
http://security.debian.org/pool/updates/main/n/netkit-telnet-ssl/telnet-ssl_0.17.17+0.1-2woody4_ia64.deb
http://security.debian.org/pool/updates/main/n/netkit-telnet-ssl/telnetd-ssl_0.17.17+0.1-2woody4_ia64.deb
HPPA:
http://security.debian.org/pool/updates/main/n/netkit-telnet-ssl/telnet-ssl_0.17.17+0.1-2woody4_hppa.deb
http://security.debian.org/pool/updates/main/n/netkit-telnet-ssl/telnetd-ssl_0.17.17+0.1-2woody4_hppa.deb
Motorola 680x0:
http://security.debian.org/pool/updates/main/n/netkit-telnet-ssl/telnet-ssl_0.17.17+0.1-2woody4_m68k.deb
http://security.debian.org/pool/updates/main/n/netkit-telnet-ssl/telnetd-ssl_0.17.17+0.1-2woody4_m68k.deb
Big endian MIPS:
http://security.debian.org/pool/updates/main/n/netkit-telnet-ssl/telnet-ssl_0.17.17+0.1-2woody4_mips.deb
http://security.debian.org/pool/updates/main/n/netkit-telnet-ssl/telnetd-ssl_0.17.17+0.1-2woody4_mips.deb
Little endian MIPS:
http://security.debian.org/pool/updates/main/n/netkit-telnet-ssl/telnet-ssl_0.17.17+0.1-2woody4_mipsel.deb
http://security.debian.org/pool/updates/main/n/netkit-telnet-ssl/telnetd-ssl_0.17.17+0.1-2woody4_mipsel.deb
PowerPC:
http://security.debian.org/pool/updates/main/n/netkit-telnet-ssl/telnet-ssl_0.17.17+0.1-2woody4_powerpc.deb
http://security.debian.org/pool/updates/main/n/netkit-telnet-ssl/telnetd-ssl_0.17.17+0.1-2woody4_powerpc.deb
IBM S/390:
http://security.debian.org/pool/updates/main/n/netkit-telnet-ssl/telnet-ssl_0.17.17+0.1-2woody4_s390.deb
http://security.debian.org/pool/updates/main/n/netkit-telnet-ssl/telnetd-ssl_0.17.17+0.1-2woody4_s390.deb
Sun Sparc:
http://security.debian.org/pool/updates/main/n/netkit-telnet-ssl/telnet-ssl_0.17.17+0.1-2woody4_sparc.deb
http://security.debian.org/pool/updates/main/n/netkit-telnet-ssl/telnetd-ssl_0.17.17+0.1-2woody4_sparc.deb

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