Debian Security Advisory
DSA-075-1 netkit-telnet-ssl -- remote exploit
- Date Reported:
- 14 Aug 2001
- Affected Packages:
- netkit-telnet-ssl
- Vulnerable:
- Yes
- Security database references:
- In Mitre's CVE dictionary: CVE-2001-0554.
- More information:
-
The telnet daemon contained in the netkit-telnet-ssl_0.16.3-1 package in
the 'stable' (potato) distribution of Debian GNU/Linux is vulnerable to an
exploitable overflow in its output handling.
The original bug was found by <scut@nb.in-berlin.de>, and announced to
bugtraq on Jul 18 2001. At that time, netkit-telnet versions after 0.14 were
not believed to be vulnerable.
On Aug 10 2001, zen-parse posted an advisory based on the same problem, for all netkit-telnet versions below 0.17.
More details can be found on SecurityFocus. As Debian uses the 'telnetd' user to run in.telnetd, this is not a remote root compromise on Debian systems; the 'telnetd' user can be compromised.
We strongly advise you update your netkit-telnet-ssl packages to the versions listed below.
- Fixed in:
-
Debian GNU/Linux 2.2 (potato)
- Source:
- http://security.debian.org/dists/stable/updates/main/source/netkit-telnet-ssl_0.16.3-1.1.diff.gz
- http://security.debian.org/dists/stable/updates/main/source/netkit-telnet-ssl_0.16.3-1.1.dsc
- http://security.debian.org/dists/stable/updates/main/source/netkit-telnet-ssl_0.16.3.orig.tar.gz
- http://security.debian.org/dists/stable/updates/main/source/netkit-telnet-ssl_0.16.3-1.1.dsc
- Alpha:
- http://security.debian.org/dists/stable/updates/main/binary-alpha/ssltelnet_0.16.3-1.1_alpha.deb
- http://security.debian.org/dists/stable/updates/main/binary-alpha/telnet-ssl_0.16.3-1.1_alpha.deb
- http://security.debian.org/dists/stable/updates/main/binary-alpha/telnetd-ssl_0.16.3-1.1_alpha.deb
- http://security.debian.org/dists/stable/updates/main/binary-alpha/telnet-ssl_0.16.3-1.1_alpha.deb
- ARM:
- http://security.debian.org/dists/stable/updates/main/binary-arm/ssltelnet_0.16.3-1.1_arm.deb
- http://security.debian.org/dists/stable/updates/main/binary-arm/telnet-ssl_0.16.3-1.1_arm.deb
- http://security.debian.org/dists/stable/updates/main/binary-arm/telnetd-ssl_0.16.3-1.1_arm.deb
- http://security.debian.org/dists/stable/updates/main/binary-arm/telnet-ssl_0.16.3-1.1_arm.deb
- Intel IA-32:
- http://security.debian.org/dists/stable/updates/main/binary-i386/ssltelnet_0.16.3-1.1_i386.deb
- http://security.debian.org/dists/stable/updates/main/binary-i386/telnet-ssl_0.16.3-1.1_i386.deb
- http://security.debian.org/dists/stable/updates/main/binary-i386/telnetd-ssl_0.16.3-1.1_i386.deb
- http://security.debian.org/dists/stable/updates/main/binary-i386/telnet-ssl_0.16.3-1.1_i386.deb
- Motorola 680x0:
- http://security.debian.org/dists/stable/updates/main/binary-m68k/ssltelnet_0.16.3-1.1_m68k.deb
- http://security.debian.org/dists/stable/updates/main/binary-m68k/telnet-ssl_0.16.3-1.1_m68k.deb
- http://security.debian.org/dists/stable/updates/main/binary-m68k/telnetd-ssl_0.16.3-1.1_m68k.deb
- http://security.debian.org/dists/stable/updates/main/binary-m68k/telnet-ssl_0.16.3-1.1_m68k.deb
- PowerPC:
- http://security.debian.org/dists/stable/updates/main/binary-powerpc/ssltelnet_0.16.3-1.1_powerpc.deb
- http://security.debian.org/dists/stable/updates/main/binary-powerpc/telnet-ssl_0.16.3-1.1_powerpc.deb
- http://security.debian.org/dists/stable/updates/main/binary-powerpc/telnetd-ssl_0.16.3-1.1_powerpc.deb
- http://security.debian.org/dists/stable/updates/main/binary-powerpc/telnet-ssl_0.16.3-1.1_powerpc.deb
- Sun Sparc:
- http://security.debian.org/dists/stable/updates/main/binary-sparc/ssltelnet_0.16.3-1.1_sparc.deb
- http://security.debian.org/dists/stable/updates/main/binary-sparc/telnet-ssl_0.16.3-1.1_sparc.deb
- http://security.debian.org/dists/stable/updates/main/binary-sparc/telnetd-ssl_0.16.3-1.1_sparc.deb
- http://security.debian.org/dists/stable/updates/main/binary-sparc/telnet-ssl_0.16.3-1.1_sparc.deb
MD5 checksums of the listed files are available in the original advisory.
MD5 checksums of the listed files are available in the revised advisory.