Scientific Linux Security Update : squid on SL5.x, SL4.x, SL3.x i386/x86_64

2012-08-01T00:00:00
ID SL_20071218_SQUID_ON_SL5_X.NASL
Type nessus
Reporter This script is Copyright (C) 2012-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
Modified 2020-04-02T00:00:00

Description

A flaw was found in the way squid stored HTTP headers for cached objects in system memory. An attacker could cause squid to use additional memory, and trigger high CPU usage when processing requests for certain cached objects, possibly leading to a denial of service. (CVE-2007-6239)

                                        
                                            #%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text is (C) Scientific Linux.
#

include("compat.inc");

if (description)
{
  script_id(60333);
  script_version("1.4");
  script_cvs_date("Date: 2019/10/25 13:36:17");

  script_cve_id("CVE-2007-6239");

  script_name(english:"Scientific Linux Security Update : squid on SL5.x, SL4.x, SL3.x i386/x86_64");
  script_summary(english:"Checks rpm output for the updated package");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Scientific Linux host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"A flaw was found in the way squid stored HTTP headers for cached
objects in system memory. An attacker could cause squid to use
additional memory, and trigger high CPU usage when processing requests
for certain cached objects, possibly leading to a denial of service.
(CVE-2007-6239)"
  );
  # https://listserv.fnal.gov/scripts/wa.exe?A2=ind0712&L=scientific-linux-errata&T=0&P=2008
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?65659072"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected squid package.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_cwe_id(20);

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"x-cpe:/o:fermilab:scientific_linux");

  script_set_attribute(attribute:"patch_publication_date", value:"2007/12/18");
  script_set_attribute(attribute:"plugin_publication_date", value:"2012/08/01");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2012-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Scientific Linux Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/cpu", "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) || "Scientific Linux " >!< release) audit(AUDIT_HOST_NOT, "running Scientific Linux");
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 (cpu >!< "x86_64" && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Scientific Linux", cpu);


flag = 0;
if (rpm_check(release:"SL3", reference:"squid-2.5.STABLE3-8.3E")) flag++;

if (rpm_check(release:"SL4", cpu:"i386", reference:"squid-2.5.STABLE14-1.4E.el4_6.1")) flag++;
if (rpm_check(release:"SL4", cpu:"x86_64", reference:"squid-2.5.STABLE14-1.4E.el4.1")) flag++;

if (rpm_check(release:"SL5", reference:"squid-2.6.STABLE6-5.el5_1.2")) 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");