Ubuntu: Security Advisory (USN-999-1)

# SPDX-FileCopyrightText: 2010 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("1.3.6.1.4.1.25623.1.0.840514");
  script_cve_id("CVE-2010-1322");
  script_tag(name:"creation_date", value:"2010-10-19 13:54:15 +0000 (Tue, 19 Oct 2010)");
  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:"6.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:P/I:P/A:P");

  script_name("Ubuntu: Security Advisory (USN-999-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2010 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(10\.04\ LTS|10\.10)");

  script_xref(name:"Advisory-ID", value:"USN-999-1");
  script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-999-1");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'krb5' package(s) announced via the USN-999-1 advisory.");

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

  script_tag(name:"insight", value:"Mike Roszkowski discovered that the Kerberos KDC did not correctly
validate the contents of certain messages. If an authenticated remote
attacker sent specially crafted TGS requests, the KDC service would crash,
leading to a denial of service.");

  script_tag(name:"affected", value:"'krb5' package(s) on Ubuntu 10.04, Ubuntu 10.10.");

  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 == "UBUNTU10.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"krb5-kdc", ver:"1.8.1+dfsg-2ubuntu0.3", rls:"UBUNTU10.04 LTS"))) {
    report += res;
  }

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

if(release == "UBUNTU10.10") {

  if(!isnull(res = isdpkgvuln(pkg:"krb5-kdc", ver:"1.8.1+dfsg-5ubuntu0.1", rls:"UBUNTU10.10"))) {
    report += res;
  }

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

exit(0);