Debian DSA-2326-1 : pam - several vulnerabilities

#%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-2326. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

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

if (description)
{
  script_id(56622);
  script_version("1.11");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/11");

  script_cve_id("CVE-2011-3148", "CVE-2011-3149");
  script_xref(name:"DSA", value:"2326");

  script_name(english:"Debian DSA-2326-1 : pam - 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:
"Kees Cook of the ChromeOS security team discovered a buffer overflow
in pam_env, a PAM module to set environment variables through the PAM
stack, which allowed the execution of arbitrary code. An additional
issue in argument parsing allows denial of service.

The oldstable distribution (lenny) is not affected."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://packages.debian.org/source/squeeze/pam"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.debian.org/security/2011/dsa-2326"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Upgrade the pam packages.

For the stable distribution (squeeze), this problem has been fixed in
version 1.1.1-6.1+squeeze1."
  );
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P");
  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_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:pam");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:6.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2011/10/24");
  script_set_attribute(attribute:"plugin_publication_date", value:"2011/10/25");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2011-2021 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:"6.0", prefix:"libpam-cracklib", reference:"1.1.1-6.1+squeeze1")) flag++;
if (deb_check(release:"6.0", prefix:"libpam-doc", reference:"1.1.1-6.1+squeeze1")) flag++;
if (deb_check(release:"6.0", prefix:"libpam-modules", reference:"1.1.1-6.1+squeeze1")) flag++;
if (deb_check(release:"6.0", prefix:"libpam-runtime", reference:"1.1.1-6.1+squeeze1")) flag++;
if (deb_check(release:"6.0", prefix:"libpam0g", reference:"1.1.1-6.1+squeeze1")) flag++;
if (deb_check(release:"6.0", prefix:"libpam0g-dev", reference:"1.1.1-6.1+squeeze1")) 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");