DSA-128-1 sudo -- buffer overflow

Debian Security Advisory

DSA-128-1 sudo -- buffer overflow

Date Reported:

26 Apr 2002

Affected Packages:

sudo

Vulnerable:

Yes

Security database references:

In the Bugtraq database (at SecurityFocus): BugTraq ID 4593.
In Mitre's CVE dictionary: CVE-2002-0184.

More information:

fc found a buffer overflow in the variable expansion code used by sudo for its prompt. Since sudo is necessarily installed suid root a local user can use this to gain root access.

This has been fixed in version 1.6.2-2.2 for the stable distribution of Debian and version 1.6.6-1 for the testing/unstable distribution. We recommend that you upgrade your sudo package immediately.

Fixed in:

Debian GNU/Linux 2.2 (potato)

Source:

http://security.debian.org/dists/stable/updates/main/source/sudo_1.6.2p2-2.2.diff.gz

http://security.debian.org/dists/stable/updates/main/source/sudo_1.6.2p2-2.2.dsc

http://security.debian.org/dists/stable/updates/main/source/sudo_1.6.2p2.orig.tar.gz

Alpha:

http://security.debian.org/dists/stable/updates/main/binary-alpha/sudo_1.6.2p2-2.2_alpha.deb

ARM:

http://security.debian.org/dists/stable/updates/main/binary-arm/sudo_1.6.2p2-2.2_arm.deb

Intel IA-32:

http://security.debian.org/dists/stable/updates/main/binary-i386/sudo_1.6.2p2-2.2_i386.deb

Motorola 680x0:

http://security.debian.org/dists/stable/updates/main/binary-m68k/sudo_1.6.2p2-2.2_m68k.deb

PowerPC:

http://security.debian.org/dists/stable/updates/main/binary-powerpc/sudo_1.6.2p2-2.2_powerpc.deb

Sun Sparc:

http://security.debian.org/dists/stable/updates/main/binary-sparc/sudo_1.6.2p2-2.2_sparc.deb

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