Slackware: Security Advisory (SSA:2005-201-01)

# SPDX-FileCopyrightText: 2012 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("1.3.6.1.4.1.25623.1.0.54386");
  script_cve_id("CVE-2005-0876", "CVE-2005-0877");
  script_tag(name:"creation_date", value:"2012-09-10 23:34:21 +0000 (Mon, 10 Sep 2012)");
  script_version("2025-01-14T05:37:02+0000");
  script_tag(name:"last_modification", value:"2025-01-14 05:37:02 +0000 (Tue, 14 Jan 2025)");
  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_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2024-02-08 20:46:18 +0000 (Thu, 08 Feb 2024)");

  script_name("Slackware: Security Advisory (SSA:2005-201-01)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2012 Greenbone AG");
  script_family("Slackware Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/slackware_linux", "ssh/login/slackpack", re:"ssh/login/release=SLK(10\.0|10\.1|current)");

  script_xref(name:"Advisory-ID", value:"SSA:2005-201-01");
  script_xref(name:"URL", value:"http://www.slackware.com/security/viewer.php?l=slackware-security&y=2005&m=slackware-security.383134");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'dnsmasq' package(s) announced via the SSA:2005-201-01 advisory.");

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

  script_tag(name:"insight", value:"New dnsmasq packages are available for Slackware 10.0, 10.1, and -current
to fix security issues. An off-by-one overflow vulnerability may allow
a DHCP client to create a denial of service condition. Additional code
was also added to detect and defeat attempts to poison the DNS cache.


More details about these issues may be found in the Common
Vulnerabilities and Exposures (CVE) database:

 [links moved to references]

Here are the details from the Slackware 10.1 ChangeLog:
+--------------------------+
patches/packages/dnsmasq-2.22-i486-1.tgz: Upgraded to dnsmasq-2.22.
 This fixes an off-by-one overflow vulnerability may allow a DHCP
 client to create a denial of service condition. Additional code was
 also added to detect and defeat attempts to poison the DNS cache.
 For more information, see:
 [links moved to references]
 (* Security fix *)
+--------------------------+");

  script_tag(name:"affected", value:"'dnsmasq' package(s) on Slackware 10.0, Slackware 10.1, Slackware current.");

  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-slack.inc");

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

res = "";
report = "";

if(release == "SLK10.0") {

  if(!isnull(res = isslkpkgvuln(pkg:"dnsmasq", ver:"2.22-i486-1", rls:"SLK10.0"))) {
    report += res;
  }

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

if(release == "SLK10.1") {

  if(!isnull(res = isslkpkgvuln(pkg:"dnsmasq", ver:"2.22-i486-1", rls:"SLK10.1"))) {
    report += res;
  }

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

if(release == "SLKcurrent") {

  if(!isnull(res = isslkpkgvuln(pkg:"dnsmasq", ver:"2.22-i486-1", rls:"SLKcurrent"))) {
    report += res;
  }

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

exit(0);