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This script is Copyright (C) 2010-2021 and is owned by Tenable, Inc. or an Affiliate thereof.DEBIAN_DSA-2089.NASL
HistoryAug 23, 2010 - 12:00 a.m.

Debian DSA-2089-1 : php5 - several vulnerabilities

2010-08-2300:00:00
This script is Copyright (C) 2010-2021 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
17

Several remote vulnerabilities have been discovered in PHP 5, an hypertext preprocessor. The Common Vulnerabilities and Exposures project identifies the following problems :

  • CVE-2010-1917 The fnmatch function can be abused to conduct denial of service attacks (by crashing the interpreter) by the means of a stack overflow.

  • CVE-2010-2225 The SplObjectStorage unserializer allows attackers to execute arbitrary code via serialized data by the means of a use-after-free vulnerability.

  • CVE-2010-3065 The default sessions serializer does not correctly handle a special marker, which allows an attacker to inject arbitrary variables into the session and possibly exploit vulnerabilities in the unserializer.

  • CVE-2010-1128 For this vulnerability (predictable entropy for the Linear Congruential Generator used to generate session ids) we do not consider upstream’s solution to be sufficient. It is recommended to uncomment the’session.entropy_file’ and ‘session.entropy_length’ settings in the php.ini files. Further improvements can be achieved by setting’session.hash_function’ to 1 (one) and incrementing the value of’session.entropy_length’.

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Debian Security Advisory DSA-2089. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(48384);
  script_version("1.15");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/04");

  script_cve_id("CVE-2010-1917", "CVE-2010-2225", "CVE-2010-3065");
  script_bugtraq_id(40948, 41991);
  script_xref(name:"DSA", value:"2089");

  script_name(english:"Debian DSA-2089-1 : php5 - several vulnerabilities");
  script_summary(english:"Checks dpkg output for the updated package");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Debian host is missing a security-related update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Several remote vulnerabilities have been discovered in PHP 5, an
hypertext preprocessor. The Common Vulnerabilities and Exposures
project identifies the following problems :

  - CVE-2010-1917
    The fnmatch function can be abused to conduct denial of
    service attacks (by crashing the interpreter) by the
    means of a stack overflow.

  - CVE-2010-2225
    The SplObjectStorage unserializer allows attackers to
    execute arbitrary code via serialized data by the means
    of a use-after-free vulnerability.

  - CVE-2010-3065
    The default sessions serializer does not correctly
    handle a special marker, which allows an attacker to
    inject arbitrary variables into the session and possibly
    exploit vulnerabilities in the unserializer.

  - CVE-2010-1128
    For this vulnerability (predictable entropy for the
    Linear Congruential Generator used to generate session
    ids) we do not consider upstream's solution to be
    sufficient. It is recommended to uncomment
    the'session.entropy_file' and 'session.entropy_length'
    settings in the php.ini files. Further improvements can
    be achieved by setting'session.hash_function' to 1 (one)
    and incrementing the value of'session.entropy_length'."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://security-tracker.debian.org/tracker/CVE-2010-1917"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://security-tracker.debian.org/tracker/CVE-2010-2225"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://security-tracker.debian.org/tracker/CVE-2010-3065"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://security-tracker.debian.org/tracker/CVE-2010-1128"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.debian.org/security/2010/dsa-2089"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Upgrade the php5 packages.

For the stable distribution (lenny), these problems have been fixed in
version 5.2.6.dfsg.1-1+lenny9."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/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_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:php5");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:5.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2010/08/06");
  script_set_attribute(attribute:"plugin_publication_date", value:"2010/08/23");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2010-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Debian Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");

  exit(0);
}


include("audit.inc");
include("debian_package.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;
if (deb_check(release:"5.0", prefix:"libapache2-mod-php5", reference:"5.2.6.dfsg.1-1+lenny9")) flag++;
if (deb_check(release:"5.0", prefix:"libapache2-mod-php5filter", reference:"5.2.6.dfsg.1-1+lenny9")) flag++;
if (deb_check(release:"5.0", prefix:"php-pear", reference:"5.2.6.dfsg.1-1+lenny9")) flag++;
if (deb_check(release:"5.0", prefix:"php5", reference:"5.2.6.dfsg.1-1+lenny9")) flag++;
if (deb_check(release:"5.0", prefix:"php5-cgi", reference:"5.2.6.dfsg.1-1+lenny9")) flag++;
if (deb_check(release:"5.0", prefix:"php5-cli", reference:"5.2.6.dfsg.1-1+lenny9")) flag++;
if (deb_check(release:"5.0", prefix:"php5-common", reference:"5.2.6.dfsg.1-1+lenny9")) flag++;
if (deb_check(release:"5.0", prefix:"php5-curl", reference:"5.2.6.dfsg.1-1+lenny9")) flag++;
if (deb_check(release:"5.0", prefix:"php5-dbg", reference:"5.2.6.dfsg.1-1+lenny9")) flag++;
if (deb_check(release:"5.0", prefix:"php5-dev", reference:"5.2.6.dfsg.1-1+lenny9")) flag++;
if (deb_check(release:"5.0", prefix:"php5-gd", reference:"5.2.6.dfsg.1-1+lenny9")) flag++;
if (deb_check(release:"5.0", prefix:"php5-gmp", reference:"5.2.6.dfsg.1-1+lenny9")) flag++;
if (deb_check(release:"5.0", prefix:"php5-imap", reference:"5.2.6.dfsg.1-1+lenny9")) flag++;
if (deb_check(release:"5.0", prefix:"php5-interbase", reference:"5.2.6.dfsg.1-1+lenny9")) flag++;
if (deb_check(release:"5.0", prefix:"php5-ldap", reference:"5.2.6.dfsg.1-1+lenny9")) flag++;
if (deb_check(release:"5.0", prefix:"php5-mcrypt", reference:"5.2.6.dfsg.1-1+lenny9")) flag++;
if (deb_check(release:"5.0", prefix:"php5-mhash", reference:"5.2.6.dfsg.1-1+lenny9")) flag++;
if (deb_check(release:"5.0", prefix:"php5-mysql", reference:"5.2.6.dfsg.1-1+lenny9")) flag++;
if (deb_check(release:"5.0", prefix:"php5-odbc", reference:"5.2.6.dfsg.1-1+lenny9")) flag++;
if (deb_check(release:"5.0", prefix:"php5-pgsql", reference:"5.2.6.dfsg.1-1+lenny9")) flag++;
if (deb_check(release:"5.0", prefix:"php5-pspell", reference:"5.2.6.dfsg.1-1+lenny9")) flag++;
if (deb_check(release:"5.0", prefix:"php5-recode", reference:"5.2.6.dfsg.1-1+lenny9")) flag++;
if (deb_check(release:"5.0", prefix:"php5-snmp", reference:"5.2.6.dfsg.1-1+lenny9")) flag++;
if (deb_check(release:"5.0", prefix:"php5-sqlite", reference:"5.2.6.dfsg.1-1+lenny9")) flag++;
if (deb_check(release:"5.0", prefix:"php5-sybase", reference:"5.2.6.dfsg.1-1+lenny9")) flag++;
if (deb_check(release:"5.0", prefix:"php5-tidy", reference:"5.2.6.dfsg.1-1+lenny9")) flag++;
if (deb_check(release:"5.0", prefix:"php5-xmlrpc", reference:"5.2.6.dfsg.1-1+lenny9")) flag++;
if (deb_check(release:"5.0", prefix:"php5-xsl", reference:"5.2.6.dfsg.1-1+lenny9")) flag++;

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