RHEL 2.1 : fetchmail (RHSA-2005:823)

2005-10-28T00:00:00
ID REDHAT-RHSA-2005-823.NASL
Type nessus
Reporter Tenable
Modified 2016-12-28T00:00:00

Description

Updated fetchmail packages that fix insecure configuration file creation is now available.

This update has been rated as having low security impact by the Red Hat Security Response Team.

Fetchmail is a remote mail retrieval and forwarding utility.

A bug was found in the way the fetchmailconf utility program writes configuration files. The default behavior of fetchmailconf is to write a configuration file which may be world readable for a short period of time. This configuration file could provide passwords to a local malicious attacker within the short window before fetchmailconf sets secure permissions. The Common Vulnerabilities and Exposures project has assigned the name CVE-2005-3088 to this issue.

Users of fetchmail are advised to upgrade to these updated packages, which contain a backported patch which resolves this issue.

                                        
                                            #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Red Hat Security Advisory RHSA-2005:823. The text 
# itself is copyright (C) Red Hat, Inc.
#

include("compat.inc");

if (description)
{
  script_id(20106);
  script_version ("$Revision: 1.16 $");
  script_cvs_date("$Date: 2016/12/28 18:06:54 $");

  script_cve_id("CVE-2005-3088");
  script_osvdb_id(20267);
  script_xref(name:"RHSA", value:"2005:823");

  script_name(english:"RHEL 2.1 : fetchmail (RHSA-2005:823)");
  script_summary(english:"Checks the rpm output for the updated packages");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Red Hat host is missing one or more security updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Updated fetchmail packages that fix insecure configuration file
creation is now available.

This update has been rated as having low security impact by the Red
Hat Security Response Team.

Fetchmail is a remote mail retrieval and forwarding utility.

A bug was found in the way the fetchmailconf utility program writes
configuration files. The default behavior of fetchmailconf is to write
a configuration file which may be world readable for a short period of
time. This configuration file could provide passwords to a local
malicious attacker within the short window before fetchmailconf sets
secure permissions. The Common Vulnerabilities and Exposures project
has assigned the name CVE-2005-3088 to this issue.

Users of fetchmail are advised to upgrade to these updated packages,
which contain a backported patch which resolves this issue."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.redhat.com/security/data/cve/CVE-2005-3088.html"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://rhn.redhat.com/errata/RHSA-2005-823.html"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected fetchmail and / or fetchmailconf packages."
  );
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:fetchmail");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:fetchmailconf");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:2.1");

  script_set_attribute(attribute:"patch_publication_date", value:"2005/10/26");
  script_set_attribute(attribute:"plugin_publication_date", value:"2005/10/28");
  script_set_attribute(attribute:"vuln_publication_date", value:"2005/10/21");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2005-2016 Tenable Network Security, Inc.");
  script_family(english:"Red Hat Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list", "Host/cpu");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("rpm.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/RedHat/release");
if (isnull(release) || "Red Hat" >!< release) audit(AUDIT_OS_NOT, "Red Hat");
os_ver = eregmatch(pattern: "Red Hat Enterprise Linux.*release ([0-9]+(\.[0-9]+)?)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Red Hat");
os_ver = os_ver[1];
if (! ereg(pattern:"^2\.1([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Red Hat 2.1", "Red Hat " + os_ver);

if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$" && "s390" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Red Hat", cpu);
if (cpu !~ "^i[3-6]86$") audit(AUDIT_ARCH_NOT, "i386", cpu);

yum_updateinfo = get_kb_item("Host/RedHat/yum-updateinfo");
if (!empty_or_null(yum_updateinfo)) 
{
  rhsa = "RHSA-2005:823";
  yum_report = redhat_generate_yum_updateinfo_report(rhsa:rhsa);
  if (!empty_or_null(yum_report))
  {
    security_report_v4(
      port       : 0,
      severity   : SECURITY_NOTE,
      extra      : yum_report 
    );
    exit(0);
  }
  else
  {
    audit_message = "affected by Red Hat security advisory " + rhsa;
    audit(AUDIT_OS_NOT, audit_message);
  }
}
else
{
  flag = 0;
  if (rpm_check(release:"RHEL2.1", cpu:"i386", reference:"fetchmail-5.9.0-21.7.3.el2.1.2")) flag++;
  if (rpm_check(release:"RHEL2.1", cpu:"i386", reference:"fetchmailconf-5.9.0-21.7.3.el2.1.2")) flag++;

  if (flag)
  {
    security_report_v4(
      port       : 0,
      severity   : SECURITY_NOTE,
      extra      : rpm_report_get() + redhat_report_package_caveat()
    );
    exit(0);
  }
  else
  {
    tested = pkg_tests_get();
    if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
    else audit(AUDIT_PACKAGE_NOT_INSTALLED, "fetchmail / fetchmailconf");
  }
}