Ubuntu: Security Advisory (USN-828-1)

# SPDX-FileCopyrightText: 2009 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.64888");
  script_cve_id("CVE-2009-3232");
  script_tag(name:"creation_date", value:"2009-09-15 20:46:32 +0000 (Tue, 15 Sep 2009)");
  script_version("2024-02-02T05:06:04+0000");
  script_tag(name:"last_modification", value:"2024-02-02 05:06:04 +0000 (Fri, 02 Feb 2024)");
  script_tag(name:"cvss_base", value:"9.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:C/A:C");

  script_name("Ubuntu: Security Advisory (USN-828-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2009 Greenbone AG");
  script_family("Ubuntu Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/ubuntu_linux", "ssh/login/packages", re:"ssh/login/release=UBUNTU(8\.10|9\.04)");

  script_xref(name:"Advisory-ID", value:"USN-828-1");
  script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-828-1");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'pam' package(s) announced via the USN-828-1 advisory.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");

  script_tag(name:"insight", value:"Russell Senior discovered that the system authentication module
selection mechanism for PAM did not safely handle an empty selection.
If an administrator had specifically removed the default list of modules
or failed to chose a module when operating debconf in a very unlikely
non-default configuration, PAM would allow any authentication attempt,
which could lead to remote attackers gaining access to a system with
arbitrary privileges. This did not affect default Ubuntu installations.");

  script_tag(name:"affected", value:"'pam' package(s) on Ubuntu 8.10, Ubuntu 9.04.");

  script_tag(name:"solution", value:"Please install the updated package(s).");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"package");

  exit(0);
}

include("revisions-lib.inc");
include("pkg-lib-deb.inc");

release = dpkg_get_ssh_release();
if(!release)
  exit(0);

res = "";
report = "";

if(release == "UBUNTU8.10") {

  if(!isnull(res = isdpkgvuln(pkg:"libpam-runtime", ver:"1.0.1-4ubuntu5.6", rls:"UBUNTU8.10"))) {
    report += res;
  }

  if(report != "") {
    security_message(data:report);
  } else if(__pkg_match) {
    exit(99);
  }
  exit(0);
}

if(release == "UBUNTU9.04") {

  if(!isnull(res = isdpkgvuln(pkg:"libpam-runtime", ver:"1.0.1-9ubuntu1.1", rls:"UBUNTU9.04"))) {
    report += res;
  }

  if(report != "") {
    security_message(data:report);
  } else if(__pkg_match) {
    exit(99);
  }
  exit(0);
}

exit(0);