CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:N/I:N/A:C
EPSS
Percentile
98.5%
krb5 was updated to fix three security issues.
These security issues were fixed :
CVE-2015-2695: Applications which call gss_inquire_context() on a partially-established SPNEGO context could have caused the GSS-API library to read from a pointer using the wrong type, generally causing a process crash. (bsc#952188).
CVE-2015-2696: Applications which call gss_inquire_context() on a partially-established IAKERB context could have caused the GSS-API library to read from a pointer using the wrong type, generally causing a process crash. (bsc#952189).
CVE-2015-2697: Incorrect string handling in build_principal_va can lead to DOS (bsc#952190).
#%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-2015-740.
#
# The text description of this plugin is (C) SUSE LLC.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(86963);
script_version("2.3");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");
script_cve_id("CVE-2015-2695", "CVE-2015-2696", "CVE-2015-2697");
script_name(english:"openSUSE Security Update : krb5 (openSUSE-2015-740)");
script_summary(english:"Check for the openSUSE-2015-740 patch");
script_set_attribute(
attribute:"synopsis",
value:"The remote openSUSE host is missing a security update."
);
script_set_attribute(
attribute:"description",
value:
"krb5 was updated to fix three security issues.
These security issues were fixed :
- CVE-2015-2695: Applications which call
gss_inquire_context() on a partially-established SPNEGO
context could have caused the GSS-API library to read
from a pointer using the wrong type, generally causing a
process crash. (bsc#952188).
- CVE-2015-2696: Applications which call
gss_inquire_context() on a partially-established IAKERB
context could have caused the GSS-API library to read
from a pointer using the wrong type, generally causing a
process crash. (bsc#952189).
- CVE-2015-2697: Incorrect string handling in
build_principal_va can lead to DOS (bsc#952190)."
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.opensuse.org/show_bug.cgi?id=948011"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.opensuse.org/show_bug.cgi?id=952188"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.opensuse.org/show_bug.cgi?id=952189"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.opensuse.org/show_bug.cgi?id=952190"
);
script_set_attribute(attribute:"solution", value:"Update the affected krb5 packages.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:C");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-32bit");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-client");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-client-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-debuginfo-32bit");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-debugsource");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-devel-32bit");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-mini");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-mini-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-mini-debugsource");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-mini-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-plugin-kdb-ldap");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-plugin-kdb-ldap-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-plugin-preauth-otp");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-plugin-preauth-otp-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-plugin-preauth-pkinit");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-plugin-preauth-pkinit-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-server");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-server-debuginfo");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:42.1");
script_set_attribute(attribute:"patch_publication_date", value:"2015/11/04");
script_set_attribute(attribute:"plugin_publication_date", value:"2015/11/20");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2015-2021 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 !~ "^(SUSE42\.1)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "42.1", release);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
ourarch = get_kb_item("Host/cpu");
if (!ourarch) audit(AUDIT_UNKNOWN_ARCH);
if (ourarch !~ "^(i586|i686|x86_64)$") audit(AUDIT_ARCH_NOT, "i586 / i686 / x86_64", ourarch);
flag = 0;
if ( rpm_check(release:"SUSE42.1", reference:"krb5-1.12.1-21.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"krb5-client-1.12.1-21.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"krb5-client-debuginfo-1.12.1-21.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"krb5-debuginfo-1.12.1-21.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"krb5-debugsource-1.12.1-21.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"krb5-devel-1.12.1-21.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"krb5-mini-1.12.1-21.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"krb5-mini-debuginfo-1.12.1-21.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"krb5-mini-debugsource-1.12.1-21.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"krb5-mini-devel-1.12.1-21.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"krb5-plugin-kdb-ldap-1.12.1-21.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"krb5-plugin-kdb-ldap-debuginfo-1.12.1-21.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"krb5-plugin-preauth-otp-1.12.1-21.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"krb5-plugin-preauth-otp-debuginfo-1.12.1-21.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"krb5-plugin-preauth-pkinit-1.12.1-21.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"krb5-plugin-preauth-pkinit-debuginfo-1.12.1-21.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"krb5-server-1.12.1-21.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"krb5-server-debuginfo-1.12.1-21.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", cpu:"x86_64", reference:"krb5-32bit-1.12.1-21.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", cpu:"x86_64", reference:"krb5-debuginfo-32bit-1.12.1-21.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", cpu:"x86_64", reference:"krb5-devel-32bit-1.12.1-21.1") ) flag++;
if (flag)
{
if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
else security_hole(0);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "krb5-mini / krb5-mini-debuginfo / krb5-mini-debugsource / etc");
}
Vendor | Product | Version | CPE |
---|---|---|---|
novell | opensuse | krb5-plugin-preauth-otp | p-cpe:/a:novell:opensuse:krb5-plugin-preauth-otp |
novell | opensuse | krb5-plugin-preauth-otp-debuginfo | p-cpe:/a:novell:opensuse:krb5-plugin-preauth-otp-debuginfo |
novell | opensuse | krb5-plugin-preauth-pkinit | p-cpe:/a:novell:opensuse:krb5-plugin-preauth-pkinit |
novell | opensuse | krb5-plugin-preauth-pkinit-debuginfo | p-cpe:/a:novell:opensuse:krb5-plugin-preauth-pkinit-debuginfo |
novell | opensuse | krb5-server | p-cpe:/a:novell:opensuse:krb5-server |
novell | opensuse | krb5-server-debuginfo | p-cpe:/a:novell:opensuse:krb5-server-debuginfo |
novell | opensuse | 42.1 | cpe:/o:novell:opensuse:42.1 |
novell | opensuse | krb5 | p-cpe:/a:novell:opensuse:krb5 |
novell | opensuse | krb5-32bit | p-cpe:/a:novell:opensuse:krb5-32bit |
novell | opensuse | krb5-client | p-cpe:/a:novell:opensuse:krb5-client |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2695
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2696
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2697
bugzilla.opensuse.org/show_bug.cgi?id=948011
bugzilla.opensuse.org/show_bug.cgi?id=952188
bugzilla.opensuse.org/show_bug.cgi?id=952189
bugzilla.opensuse.org/show_bug.cgi?id=952190