Debian Security Advisory

DSA-357-1 wu-ftpd -- remote root exploit

Date Reported:
31 Jul 2003
Affected Packages:
Security database references:
In the Bugtraq database (at SecurityFocus): BugTraq ID 8315.
In Mitre's CVE dictionary: CVE-2003-0466.
More information:

iSEC Security Research reports that wu-ftpd contains an off-by-one bug in the fb_realpath function which could be exploited by a logged-in user (local or anonymous) to gain root privileges. A demonstration exploit is reportedly available.

For the current stable distribution (woody) this problem has been fixed in version 2.6.2-3woody1.

For the unstable distribution (sid) an update will be available shortly.

We recommend you upgrade your wu-ftpd package immediately.

Fixed in:

Debian GNU/Linux 3.0 (stable)

Architecture-independent component:
HP Precision:
Intel IA-32:
Intel IA-64:
Motorola 680x0:
Big-endian MIPS:
Little-endian MIPS:
IBM S/390:
Sun Sparc:

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