Debian Security Advisory

DSA-976-1 libast -- buffer overflow

Date Reported:

15 Feb 2006

Affected Packages:

libast, libast1

Vulnerable:

Yes

Security database references:

In Mitre's CVE dictionary: CVE-2006-0224.

More information:

Johnny Mast discovered a buffer overflow in libast, the library of assorted spiffy things, that can lead to the execution of arbitrary code. This library is used by eterm which is installed setgid uid which leads to a vulnerability to alter the utmp file.

For the old stable distribution (woody) this problem has been fixed in version 0.4-3woody2.

For the stable distribution (sarge) this problem has been fixed in version 0.6-0pre2003010606sarge1.

For the unstable distribution (sid) this problem will be fixed soon.

We recommend that you upgrade your libast packages.

Fixed in:

Debian GNU/Linux 3.0 (woody)

Source:: http://security.debian.org/pool/updates/main/liba/libast1/libast1_0.4-3woody2.dsc; http://security.debian.org/pool/updates/main/liba/libast1/libast1_0.4-3woody2.diff.gz; http://security.debian.org/pool/updates/main/liba/libast1/libast1_0.4.orig.tar.gz
Alpha:: http://security.debian.org/pool/updates/main/liba/libast1/libast1_0.4-3woody2_alpha.deb; http://security.debian.org/pool/updates/main/liba/libast1/libast1-dev_0.4-3woody2_alpha.deb
ARM:: http://security.debian.org/pool/updates/main/liba/libast1/libast1_0.4-3woody2_arm.deb; http://security.debian.org/pool/updates/main/liba/libast1/libast1-dev_0.4-3woody2_arm.deb
Intel IA-32:: http://security.debian.org/pool/updates/main/liba/libast1/libast1_0.4-3woody2_i386.deb; http://security.debian.org/pool/updates/main/liba/libast1/libast1-dev_0.4-3woody2_i386.deb
Intel IA-64:: http://security.debian.org/pool/updates/main/liba/libast1/libast1_0.4-3woody2_ia64.deb; http://security.debian.org/pool/updates/main/liba/libast1/libast1-dev_0.4-3woody2_ia64.deb
HPPA:: http://security.debian.org/pool/updates/main/liba/libast1/libast1_0.4-3woody2_hppa.deb; http://security.debian.org/pool/updates/main/liba/libast1/libast1-dev_0.4-3woody2_hppa.deb
Motorola 680x0:: http://security.debian.org/pool/updates/main/liba/libast1/libast1_0.4-3woody2_m68k.deb; http://security.debian.org/pool/updates/main/liba/libast1/libast1-dev_0.4-3woody2_m68k.deb
Big endian MIPS:: http://security.debian.org/pool/updates/main/liba/libast1/libast1_0.4-3woody2_mips.deb; http://security.debian.org/pool/updates/main/liba/libast1/libast1-dev_0.4-3woody2_mips.deb
Little endian MIPS:: http://security.debian.org/pool/updates/main/liba/libast1/libast1_0.4-3woody2_mipsel.deb; http://security.debian.org/pool/updates/main/liba/libast1/libast1-dev_0.4-3woody2_mipsel.deb
PowerPC:: http://security.debian.org/pool/updates/main/liba/libast1/libast1_0.4-3woody2_powerpc.deb; http://security.debian.org/pool/updates/main/liba/libast1/libast1-dev_0.4-3woody2_powerpc.deb
IBM S/390:: http://security.debian.org/pool/updates/main/liba/libast1/libast1_0.4-3woody2_s390.deb; http://security.debian.org/pool/updates/main/liba/libast1/libast1-dev_0.4-3woody2_s390.deb
Sun Sparc:: http://security.debian.org/pool/updates/main/liba/libast1/libast1_0.4-3woody2_sparc.deb; http://security.debian.org/pool/updates/main/liba/libast1/libast1-dev_0.4-3woody2_sparc.deb

Debian GNU/Linux 3.1 (sarge)

Source:: http://security.debian.org/pool/updates/main/liba/libast/libast_0.6-0pre2003010606sarge1.dsc; http://security.debian.org/pool/updates/main/liba/libast/libast_0.6-0pre2003010606sarge1.tar.gz
Alpha:: http://security.debian.org/pool/updates/main/liba/libast/libast2_0.6-0pre2003010606sarge1_alpha.deb; http://security.debian.org/pool/updates/main/liba/libast/libast2-dev_0.6-0pre2003010606sarge1_alpha.deb
AMD64:: http://security.debian.org/pool/updates/main/liba/libast/libast2_0.6-0pre2003010606sarge1_amd64.deb; http://security.debian.org/pool/updates/main/liba/libast/libast2-dev_0.6-0pre2003010606sarge1_amd64.deb
ARM:: http://security.debian.org/pool/updates/main/liba/libast/libast2_0.6-0pre2003010606sarge1_arm.deb; http://security.debian.org/pool/updates/main/liba/libast/libast2-dev_0.6-0pre2003010606sarge1_arm.deb
Intel IA-32:: http://security.debian.org/pool/updates/main/liba/libast/libast2_0.6-0pre2003010606sarge1_i386.deb; http://security.debian.org/pool/updates/main/liba/libast/libast2-dev_0.6-0pre2003010606sarge1_i386.deb
Intel IA-64:: http://security.debian.org/pool/updates/main/liba/libast/libast2_0.6-0pre2003010606sarge1_ia64.deb; http://security.debian.org/pool/updates/main/liba/libast/libast2-dev_0.6-0pre2003010606sarge1_ia64.deb
HPPA:: http://security.debian.org/pool/updates/main/liba/libast/libast2_0.6-0pre2003010606sarge1_hppa.deb; http://security.debian.org/pool/updates/main/liba/libast/libast2-dev_0.6-0pre2003010606sarge1_hppa.deb
Motorola 680x0:: http://security.debian.org/pool/updates/main/liba/libast/libast2_0.6-0pre2003010606sarge1_m68k.deb; http://security.debian.org/pool/updates/main/liba/libast/libast2-dev_0.6-0pre2003010606sarge1_m68k.deb
Big endian MIPS:: http://security.debian.org/pool/updates/main/liba/libast/libast2_0.6-0pre2003010606sarge1_mips.deb; http://security.debian.org/pool/updates/main/liba/libast/libast2-dev_0.6-0pre2003010606sarge1_mips.deb
Little endian MIPS:: http://security.debian.org/pool/updates/main/liba/libast/libast2_0.6-0pre2003010606sarge1_mipsel.deb; http://security.debian.org/pool/updates/main/liba/libast/libast2-dev_0.6-0pre2003010606sarge1_mipsel.deb
PowerPC:: http://security.debian.org/pool/updates/main/liba/libast/libast2_0.6-0pre2003010606sarge1_powerpc.deb; http://security.debian.org/pool/updates/main/liba/libast/libast2-dev_0.6-0pre2003010606sarge1_powerpc.deb
IBM S/390:: http://security.debian.org/pool/updates/main/liba/libast/libast2_0.6-0pre2003010606sarge1_s390.deb; http://security.debian.org/pool/updates/main/liba/libast/libast2-dev_0.6-0pre2003010606sarge1_s390.deb
Sun Sparc:: http://security.debian.org/pool/updates/main/liba/libast/libast2_0.6-0pre2003010606sarge1_sparc.deb; http://security.debian.org/pool/updates/main/liba/libast/libast2-dev_0.6-0pre2003010606sarge1_sparc.deb

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