Debian Security Advisory

DSA-675-1 hztty -- privilege escalation

Date Reported:
10 Feb 2005
Affected Packages:
hztty
Vulnerable:
Yes
Security database references:
In Mitre's CVE dictionary: CVE-2005-0019.
More information:

Erik Sjölund discovered that hztty, a converter for GB, Big5 and zW/HZ Chinese encodings in a tty session, can be triggered to execute arbitrary commands with group utmp privileges.

For the stable distribution (woody) this problem has been fixed in version 2.0-5.2woody2.

For the unstable distribution (sid) this problem has been fixed in version 2.0-6.1.

We recommend that you upgrade your hztty package.

Fixed in:

Debian GNU/Linux 3.0 (woody)

Source:
http://security.debian.org/pool/updates/main/h/hztty/hztty_2.0-5.2woody2.dsc
http://security.debian.org/pool/updates/main/h/hztty/hztty_2.0-5.2woody2.diff.gz
http://security.debian.org/pool/updates/main/h/hztty/hztty_2.0.orig.tar.gz
Alpha:
http://security.debian.org/pool/updates/main/h/hztty/hztty_2.0-5.2woody2_alpha.deb
ARM:
http://security.debian.org/pool/updates/main/h/hztty/hztty_2.0-5.2woody2_arm.deb
Intel IA-32:
http://security.debian.org/pool/updates/main/h/hztty/hztty_2.0-5.2woody2_i386.deb
Intel IA-64:
http://security.debian.org/pool/updates/main/h/hztty/hztty_2.0-5.2woody2_ia64.deb
HPPA:
http://security.debian.org/pool/updates/main/h/hztty/hztty_2.0-5.2woody2_hppa.deb
Motorola 680x0:
http://security.debian.org/pool/updates/main/h/hztty/hztty_2.0-5.2woody2_m68k.deb
Big endian MIPS:
http://security.debian.org/pool/updates/main/h/hztty/hztty_2.0-5.2woody2_mips.deb
Little endian MIPS:
http://security.debian.org/pool/updates/main/h/hztty/hztty_2.0-5.2woody2_mipsel.deb
PowerPC:
http://security.debian.org/pool/updates/main/h/hztty/hztty_2.0-5.2woody2_powerpc.deb
IBM S/390:
http://security.debian.org/pool/updates/main/h/hztty/hztty_2.0-5.2woody2_s390.deb
Sun Sparc:
http://security.debian.org/pool/updates/main/h/hztty/hztty_2.0-5.2woody2_sparc.deb

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