Ubuntu: Security Advisory (USN-174-1)

# SPDX-FileCopyrightText: 2022 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("1.3.6.1.4.1.25623.1.1.12.2005.174.1");
  script_cve_id("CVE-2005-2151");
  script_tag(name:"creation_date", value:"2022-08-26 07:43:23 +0000 (Fri, 26 Aug 2022)");
  script_version("2024-02-02T05:06:09+0000");
  script_tag(name:"last_modification", value:"2024-02-02 05:06:09 +0000 (Fri, 02 Feb 2024)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:P/A:N");

  script_name("Ubuntu: Security Advisory (USN-174-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2022 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=UBUNTU5\.04");

  script_xref(name:"Advisory-ID", value:"USN-174-1");
  script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-174-1");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'courier' package(s) announced via the USN-174-1 advisory.");

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

  script_tag(name:"insight", value:"A Denial of Service vulnerability has been discovered in the Courier
mail server. Due to a flawed status code check, failed DNS (domain
name service) queries for SPF (sender policy framework) were not
handled properly and could lead to memory corruption. A malicious DNS
server could exploit this to crash the Courier server.

However, SPF is not enabled by default, so you are only vulnerable if
you explicitly enabled it.

The Ubuntu 4.10 version of courier is not affected by this.");

  script_tag(name:"affected", value:"'courier' package(s) on Ubuntu 5.04.");

  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 == "UBUNTU5.04") {

  if(!isnull(res = isdpkgvuln(pkg:"courier-authdaemon", ver:"0.47-3ubuntu1.1", rls:"UBUNTU5.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"courier-authmysql", ver:"0.47-3ubuntu1.1", rls:"UBUNTU5.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"courier-authpostgresql", ver:"0.47-3ubuntu1.1", rls:"UBUNTU5.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"courier-base", ver:"0.47-3ubuntu1.1", rls:"UBUNTU5.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"courier-doc", ver:"0.47-3ubuntu1.1", rls:"UBUNTU5.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"courier-faxmail", ver:"0.47-3ubuntu1.1", rls:"UBUNTU5.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"courier-imap", ver:"3.0.8-3ubuntu1.1", rls:"UBUNTU5.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"courier-imap-ssl", ver:"3.0.8-3ubuntu1.1", rls:"UBUNTU5.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"courier-ldap", ver:"0.47-3ubuntu1.1", rls:"UBUNTU5.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"courier-maildrop", ver:"0.47-3ubuntu1.1", rls:"UBUNTU5.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"courier-mlm", ver:"0.47-3ubuntu1.1", rls:"UBUNTU5.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"courier-mta", ver:"0.47-3ubuntu1.1", rls:"UBUNTU5.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"courier-mta-ssl", ver:"0.47-3ubuntu1.1", rls:"UBUNTU5.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"courier-pcp", ver:"0.47-3ubuntu1.1", rls:"UBUNTU5.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"courier-pop", ver:"0.47-3ubuntu1.1", rls:"UBUNTU5.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"courier-pop-ssl", ver:"0.47-3ubuntu1.1", rls:"UBUNTU5.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"courier-ssl", ver:"0.47-3ubuntu1.1", rls:"UBUNTU5.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"courier-webadmin", ver:"0.47-3ubuntu1.1", rls:"UBUNTU5.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"sqwebmail", ver:"0.47-3ubuntu1.1", rls:"UBUNTU5.04"))) {
    report += res;
  }

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

exit(0);