FreeBSD : hashcash -- format string vulnerability (5ebfe901-a3cb-11d9-b248-000854d03344)

High Nessus Plugin ID 18951


The remote FreeBSD host is missing a security-related update.


A Gentoo Linux Security Advisory reports :

Tavis Ormandy of the Gentoo Linux Security Audit Team identified a flaw in the Hashcash utility that an attacker could expose by specifying a malformed reply address.

Successful exploitation would permit an attacker to disrupt Hashcash users, and potentially execute arbitrary code.


Update the affected package.

See Also

Plugin Details

Severity: High

ID: 18951

File Name: freebsd_pkg_5ebfe901a3cb11d9b248000854d03344.nasl

Version: $Revision: 1.10 $

Type: local

Published: 2005/07/13

Modified: 2013/06/21

Dependencies: 12634

Risk Information

Risk Factor: High


Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:hashcash, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Patch Publication Date: 2005/04/02

Vulnerability Publication Date: 2005/03/06

Reference Information

CVE: CVE-2005-0687