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nessusThis script is Copyright (C) 2009-2021 and is owned by Tenable, Inc. or an Affiliate thereof.DEBIAN_DSA-1763.NASL
HistoryApr 07, 2009 - 12:00 a.m.

Debian DSA-1763-1 : openssl - programming error

2009-04-0700:00:00
This script is Copyright (C) 2009-2021 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
16

It was discovered that insufficient length validations in the ASN.1 handling of the OpenSSL crypto library may lead to denial of service when processing a manipulated certificate.

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Debian Security Advisory DSA-1763. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(36090);
  script_version("1.17");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/04");

  script_cve_id("CVE-2009-0590");
  script_bugtraq_id(34256);
  script_xref(name:"DSA", value:"1763");

  script_name(english:"Debian DSA-1763-1 : openssl - programming error");
  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:
"It was discovered that insufficient length validations in the ASN.1
handling of the OpenSSL crypto library may lead to denial of service
when processing a manipulated certificate."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.debian.org/security/2009/dsa-1763"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Upgrade the openssl packages.

For the old stable distribution (etch), this problem has been fixed in
version 0.9.8c-4etch5 of the openssl package and in version
0.9.7k-3.1etch3 of the openssl097 package.

For the stable distribution (lenny), this problem has been fixed in
version 0.9.8g-15+lenny1."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:ND/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(119);

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:openssl");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:4.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:5.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2009/04/06");
  script_set_attribute(attribute:"plugin_publication_date", value:"2009/04/07");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2009-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
  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:"4.0", prefix:"libssl-dev", reference:"0.9.8c-4etch5")) flag++;
if (deb_check(release:"4.0", prefix:"libssl0.9.7", reference:"0.9.7k-3.1etch3")) flag++;
if (deb_check(release:"4.0", prefix:"libssl0.9.7-dbg", reference:"0.9.7k-3.1etch3")) flag++;
if (deb_check(release:"4.0", prefix:"libssl0.9.8", reference:"0.9.8c-4etch5")) flag++;
if (deb_check(release:"4.0", prefix:"libssl0.9.8-dbg", reference:"0.9.8c-4etch5")) flag++;
if (deb_check(release:"4.0", prefix:"openssl", reference:"0.9.8c-4etch5")) flag++;
if (deb_check(release:"5.0", prefix:"libssl-dev", reference:"0.9.8g-15+lenny1")) flag++;
if (deb_check(release:"5.0", prefix:"libssl0.9.8", reference:"0.9.8g-15+lenny1")) flag++;
if (deb_check(release:"5.0", prefix:"libssl0.9.8-dbg", reference:"0.9.8g-15+lenny1")) flag++;
if (deb_check(release:"5.0", prefix:"openssl", reference:"0.9.8g-15+lenny1")) 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");
VendorProductVersionCPE
debiandebian_linuxopensslp-cpe:/a:debian:debian_linux:openssl
debiandebian_linux4.0cpe:/o:debian:debian_linux:4.0
debiandebian_linux5.0cpe:/o:debian:debian_linux:5.0