Applied security fix for a DoS due to processing certain regular expressions, extracted from 4.2.3-P1 (bnc#735610, CVE-2011-4539) :
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from openSUSE Security Update openSUSE-2011-68.
#
# The text description of this plugin is (C) SUSE LLC.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(74532);
script_version("1.5");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/14");
script_cve_id("CVE-2011-4539");
script_name(english:"openSUSE Security Update : dhcp (openSUSE-2011-68)");
script_summary(english:"Check for the openSUSE-2011-68 patch");
script_set_attribute(
attribute:"synopsis",
value:"The remote openSUSE host is missing a security update."
);
script_set_attribute(
attribute:"description",
value:
" - Applied security fix for a DoS due to processing certain
regular expressions, extracted from 4.2.3-P1
(bnc#735610, CVE-2011-4539) :
- Add a check for a NULL pointer before calling the
regexec function. Without out this check we could, under
some circumstances, pass a NULL pointer to the regexec
function causing it to segfault. Thanks to a report from
BlueCat Networks. [ISC-Bugs #26704]"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.novell.com/show_bug.cgi?id=735610"
);
script_set_attribute(attribute:"solution", value:"Update the affected dhcp packages.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:dhcp");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:dhcp-client");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:dhcp-client-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:dhcp-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:dhcp-debugsource");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:dhcp-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:dhcp-relay");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:dhcp-relay-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:dhcp-server");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:dhcp-server-debuginfo");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:12.1");
script_set_attribute(attribute:"patch_publication_date", value:"2011/12/12");
script_set_attribute(attribute:"plugin_publication_date", value:"2014/06/13");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2014-2021 Tenable Network Security, Inc.");
script_family(english:"SuSE Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/SuSE/release", "Host/SuSE/rpm-list", "Host/cpu");
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/SuSE/release");
if (isnull(release) || release =~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "openSUSE");
if (release !~ "^(SUSE12\.1)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "12.1", release);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
ourarch = get_kb_item("Host/cpu");
if (!ourarch) audit(AUDIT_UNKNOWN_ARCH);
if (ourarch !~ "^(i586|i686|x86_64)$") audit(AUDIT_ARCH_NOT, "i586 / i686 / x86_64", ourarch);
flag = 0;
if ( rpm_check(release:"SUSE12.1", reference:"dhcp-4.2.2-6.3.1") ) flag++;
if ( rpm_check(release:"SUSE12.1", reference:"dhcp-client-4.2.2-6.3.1") ) flag++;
if ( rpm_check(release:"SUSE12.1", reference:"dhcp-client-debuginfo-4.2.2-6.3.1") ) flag++;
if ( rpm_check(release:"SUSE12.1", reference:"dhcp-debuginfo-4.2.2-6.3.1") ) flag++;
if ( rpm_check(release:"SUSE12.1", reference:"dhcp-debugsource-4.2.2-6.3.1") ) flag++;
if ( rpm_check(release:"SUSE12.1", reference:"dhcp-devel-4.2.2-6.3.1") ) flag++;
if ( rpm_check(release:"SUSE12.1", reference:"dhcp-relay-4.2.2-6.3.1") ) flag++;
if ( rpm_check(release:"SUSE12.1", reference:"dhcp-relay-debuginfo-4.2.2-6.3.1") ) flag++;
if ( rpm_check(release:"SUSE12.1", reference:"dhcp-server-4.2.2-6.3.1") ) flag++;
if ( rpm_check(release:"SUSE12.1", reference:"dhcp-server-debuginfo-4.2.2-6.3.1") ) 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, "dhcp / dhcp-client / dhcp-client-debuginfo / dhcp-debuginfo / etc");
}
Vendor | Product | Version | CPE |
---|---|---|---|
novell | opensuse | dhcp | p-cpe:/a:novell:opensuse:dhcp |
novell | opensuse | dhcp-client | p-cpe:/a:novell:opensuse:dhcp-client |
novell | opensuse | dhcp-client-debuginfo | p-cpe:/a:novell:opensuse:dhcp-client-debuginfo |
novell | opensuse | dhcp-debuginfo | p-cpe:/a:novell:opensuse:dhcp-debuginfo |
novell | opensuse | dhcp-debugsource | p-cpe:/a:novell:opensuse:dhcp-debugsource |
novell | opensuse | dhcp-devel | p-cpe:/a:novell:opensuse:dhcp-devel |
novell | opensuse | dhcp-relay | p-cpe:/a:novell:opensuse:dhcp-relay |
novell | opensuse | dhcp-relay-debuginfo | p-cpe:/a:novell:opensuse:dhcp-relay-debuginfo |
novell | opensuse | dhcp-server | p-cpe:/a:novell:opensuse:dhcp-server |
novell | opensuse | dhcp-server-debuginfo | p-cpe:/a:novell:opensuse:dhcp-server-debuginfo |