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.