Vulnerabilities > CVE-2008-2711 - Improper Input Validation vulnerability in Fetchmail

#%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Fedora Security Advisory 2008-5800.
#

include("compat.inc");

if (description)
{
  script_id(33373);
  script_version ("1.15");
  script_cvs_date("Date: 2019/08/02 13:32:28");

  script_cve_id("CVE-2008-2711");
  script_bugtraq_id(29705);
  script_xref(name:"FEDORA", value:"2008-5800");

  script_name(english:"Fedora 8 : fetchmail-6.3.8-4.fc8 (2008-5800)");
  script_summary(english:"Checks rpm output for the updated package.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Fedora host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"http://fetchmail.berlios.de/fetchmail-SA-2008-01.txt

Note that Tenable Network Security has extracted the preceding
description block directly from the Fedora security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://fetchmail.berlios.de/fetchmail-SA-2008-01.txt"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.redhat.com/show_bug.cgi?id=451758"
  );
  # https://lists.fedoraproject.org/pipermail/package-announce/2008-June/011838.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?c1e6f5c9"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected fetchmail package."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(20);

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:fetchmail");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:8");

  script_set_attribute(attribute:"patch_publication_date", value:"2008/06/28");
  script_set_attribute(attribute:"plugin_publication_date", value:"2008/07/02");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2008-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Fedora Local Security Checks");

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

  exit(0);
}


include("audit.inc");
include("global_settings.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) || "Fedora" >!< release) audit(AUDIT_OS_NOT, "Fedora");
os_ver = eregmatch(pattern: "Fedora.*release ([0-9]+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Fedora");
os_ver = os_ver[1];
if (! ereg(pattern:"^8([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 8.x", "Fedora " + 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$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Fedora", cpu);

flag = 0;
if (rpm_check(release:"FC8", reference:"fetchmail-6.3.8-4.fc8")) flag++;


if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
  else security_warning(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "fetchmail");
}

#%NASL_MIN_LEVEL 80502

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Mandriva Linux Security Advisory MDVSA-2008:117. 
# The text itself is copyright (C) Mandriva S.A.
#

include("compat.inc");

if (description)
{
  script_id(36958);
  script_version ("1.14");
  script_cvs_date("Date: 2019/08/02 13:32:50");

  script_cve_id("CVE-2008-2711");
  script_bugtraq_id(29705);
  script_xref(name:"MDVSA", value:"2008:117");

  script_name(english:"Mandriva Linux Security Advisory : fetchmail (MDVSA-2008:117)");
  script_summary(english:"Checks rpm output for the updated packages");

  script_set_attribute(
    attribute:"synopsis", 
    value:
"The remote Mandriva Linux host is missing one or more security
updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"A flaw in fetchmail was discovered that allowed remote attackers to
cause a denial of service (crash and persistent mail failure) via a
malformed message with long headers. The crash only occured when
fetchmail was called in '-v -v' mode (CVE-2008-2711).

The updated packages have been patched to prevent this issue."
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Update the affected fetchmail, fetchmail-daemon and / or fetchmailconf
packages."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(20);

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:fetchmail");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:fetchmail-daemon");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:fetchmailconf");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:mandriva:linux:2007.1");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:mandriva:linux:2008.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:mandriva:linux:2008.1");

  script_set_attribute(attribute:"patch_publication_date", value:"2008/06/19");
  script_set_attribute(attribute:"plugin_publication_date", value:"2009/04/23");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2009-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Mandriva Local Security Checks");

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

  exit(0);
}


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


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Mandrake/release")) audit(AUDIT_OS_NOT, "Mandriva / Mandake Linux");
if (!get_kb_item("Host/Mandrake/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^(amd64|i[3-6]86|x86_64)$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Mandriva / Mandrake Linux", cpu);


flag = 0;
if (rpm_check(release:"MDK2007.1", reference:"fetchmail-6.3.6-1.3mdv2007.1", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2007.1", reference:"fetchmail-daemon-6.3.6-1.3mdv2007.1", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2007.1", reference:"fetchmailconf-6.3.6-1.3mdv2007.1", yank:"mdv")) flag++;

if (rpm_check(release:"MDK2008.0", reference:"fetchmail-6.3.8-4.1mdv2008.0", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2008.0", reference:"fetchmail-daemon-6.3.8-4.1mdv2008.0", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2008.0", reference:"fetchmailconf-6.3.8-4.1mdv2008.0", yank:"mdv")) flag++;

if (rpm_check(release:"MDK2008.1", reference:"fetchmail-6.3.8-7.1mdv2008.1", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2008.1", reference:"fetchmail-daemon-6.3.8-7.1mdv2008.1", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2008.1", reference:"fetchmailconf-6.3.8-7.1mdv2008.1", yank:"mdv")) flag++;


if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
  else security_warning(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");