Vulnerabilities > CVE-2006-6481 - Denial Of Service vulnerability in Clam Anti-Virus Clamav 0.88.6

#%NASL_MIN_LEVEL 80502

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Debian Security Advisory DSA-1238. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

include("compat.inc");

if (description)
{
  script_id(23912);
  script_version("1.17");
  script_cvs_date("Date: 2019/08/02 13:32:20");

  script_cve_id("CVE-2006-6406", "CVE-2006-6481");
  script_xref(name:"DSA", value:"1238");

  script_name(english:"Debian DSA-1238-1 : clamav - several vulnerabilities");
  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:
"Several remote vulnerabilities have been discovered in the Clam
anti-virus toolkit. The Common Vulnerabilities and Exposures project
identifies the following problems :

  - CVE-2006-6406
    Hendrik Weimer discovered that invalid characters in
    base64 encoded data may lead to bypass of scanning
    mechanisms.

  - CVE-2006-6481
    Hendrik Weimer discovered that deeply nested
    multipart/mime MIME data may lead to denial of service."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://security-tracker.debian.org/tracker/CVE-2006-6406"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://security-tracker.debian.org/tracker/CVE-2006-6481"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.debian.org/security/2006/dsa-1238"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Upgrade the clamav packages.

For the stable distribution (sarge) these problems have been fixed in
version 0.84-2.sarge.13.

For the upcoming stable distribution (etch) these problems have been
fixed in version 0.88.7-1."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:clamav");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:3.1");

  script_set_attribute(attribute:"patch_publication_date", value:"2006/12/17");
  script_set_attribute(attribute:"plugin_publication_date", value:"2006/12/18");
  script_set_attribute(attribute:"vuln_publication_date", value:"2006/12/07");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2006-2019 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:"3.1", prefix:"clamav", reference:"0.84-2.sarge.13")) flag++;
if (deb_check(release:"3.1", prefix:"clamav-base", reference:"0.84-2.sarge.13")) flag++;
if (deb_check(release:"3.1", prefix:"clamav-daemon", reference:"0.84-2.sarge.13")) flag++;
if (deb_check(release:"3.1", prefix:"clamav-docs", reference:"0.84-2.sarge.13")) flag++;
if (deb_check(release:"3.1", prefix:"clamav-freshclam", reference:"0.84-2.sarge.13")) flag++;
if (deb_check(release:"3.1", prefix:"clamav-milter", reference:"0.84-2.sarge.13")) flag++;
if (deb_check(release:"3.1", prefix:"clamav-testfiles", reference:"0.84-2.sarge.13")) flag++;
if (deb_check(release:"3.1", prefix:"libclamav-dev", reference:"0.84-2.sarge.13")) flag++;
if (deb_check(release:"3.1", prefix:"libclamav1", reference:"0.84-2.sarge.13")) 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");