Debian DSA-1173-1 : openssl - cryptographic weakness

2006-10-14T00:00:00
ID DEBIAN_DSA-1173.NASL
Type nessus
Reporter This script is Copyright (C) 2006-2019 Tenable Network Security, Inc.
Modified 2020-04-02T00:00:00

Description

Daniel Bleichenbacher discovered a flaw in the OpenSSL cryptographic package that could allow an attacker to generate a forged signature that OpenSSL will accept as valid.

                                        
                                            #%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-1173. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

include("compat.inc");

if (description)
{
  script_id(22715);
  script_version("1.18");
  script_cvs_date("Date: 2019/08/02 13:32:19");

  script_cve_id("CVE-2006-4339");
  script_bugtraq_id(19849);
  script_xref(name:"DSA", value:"1173");

  script_name(english:"Debian DSA-1173-1 : openssl - cryptographic weakness");
  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:
"Daniel Bleichenbacher discovered a flaw in the OpenSSL cryptographic
package that could allow an attacker to generate a forged signature
that OpenSSL will accept as valid."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=386247"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.debian.org/security/2006/dsa-1173"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Upgrade the openssl packages. Note that services linking against the
openssl shared libraries will need to be restarted. Common examples of
such services include most Mail Transport Agents, SSH servers, and web
servers.

For the stable distribution (sarge) this problem has been fixed in
version 0.9.7e-3sarge2."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:U/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(310);

  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:3.1");

  script_set_attribute(attribute:"patch_publication_date", value:"2006/09/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2006/10/14");
  script_set_attribute(attribute:"vuln_publication_date", value:"2006/09/05");
  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:"libssl-dev", reference:"0.9.7e-3sarge2")) flag++;
if (deb_check(release:"3.1", prefix:"libssl0.9.7", reference:"0.9.7e-3sarge2")) flag++;
if (deb_check(release:"3.1", prefix:"openssl", reference:"0.9.7e-3sarge2")) 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");