Debian DSA-2253-1 : fontforge - buffer overflow

2011-06-10T00:00:00
ID DEBIAN_DSA-2253.NASL
Type nessus
Reporter Tenable
Modified 2013-05-17T00:00:00

Description

Ulrik Persson reported a stack-based buffer overflow flaw in FontForge, a font editor. When processed a crafted Bitmap Distribution Format (BDF) FontForge could crash or execute arbitrary code with the privileges of the user running FontForge.

                                        
                                            #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Debian Security Advisory DSA-2253. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

include("compat.inc");

if (description)
{
  script_id(55041);
  script_version("$Revision: 1.6 $");
  script_cvs_date("$Date: 2013/05/17 23:58:36 $");

  script_cve_id("CVE-2010-4259");
  script_bugtraq_id(45162);
  script_xref(name:"DSA", value:"2253");

  script_name(english:"Debian DSA-2253-1 : fontforge - buffer overflow");
  script_summary(english:"Checks dpkg output for the updated package");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Debian host is missing a security-related update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Ulrik Persson reported a stack-based buffer overflow flaw in
FontForge, a font editor. When processed a crafted Bitmap Distribution
Format (BDF) FontForge could crash or execute arbitrary code with the
privileges of the user running FontForge."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=605537"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.debian.org/security/2011/dsa-2253"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Upgrade the fontforge packages.

For the oldstable distribution (lenny), this problem has been fixed in
version 0.0.20080429-1+lenny2.

The stable distribution (squeeze), testing distribution (wheezy), and
unstable distribution (sid) are not affected by this problem."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:ND");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:fontforge");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:5.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2011/06/03");
  script_set_attribute(attribute:"plugin_publication_date", value:"2011/06/10");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2011-2013 Tenable Network Security, Inc.");
  script_family(english:"Debian Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");

  exit(0);
}


include("audit.inc");
include("debian_package.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;
if (deb_check(release:"5.0", prefix:"fontforge", reference:"0.0.20080429-1+lenny2")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:deb_report_get());
  else security_warning(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");